Editor's Note: This article was originally published in Ships and the Sea magazine, Fall 1957.  The language, spelling and grammar of the article reflects the time period when it was written.  Learn more about Liberty Ships here.

What could be done with the outmoded Liberty ships in the event of an emergency? The Maritime Administration is proving they can be turned into assets.

During World War II, pressed by the dire need of the national emergency, U.S. shipyards produced thousands of merchant ships. During this era, even the most lubberly of land-lubbers came to hear of that famous-type ship, the Liberty. Shipyards on all coasts of this nation made headlines with the fantastic speed with which these large oceangoing vessels were constructed. The average time for the completion of a Liberty was an amazing 62 days!

By the time the building program had been completed, some 2600 standard Liberty ships had splashed into the water and taken up their vital task of delivering war material overseas. This tremendous fleet had a carrying capacity of almost 30 million tons.

But what has happened to this vast fleet of Libertys in the postwar era? Have their bluff-bowed and full-bellied forms, and their 2500-horsepower reciprocating engines which produced speeds of only 11 knots, managed to survive the competition of cargo vessels with speeds up to 20 knots? The best answer to that may be a blunt statistic – some 1400 Liberty ships are tied up in the U.S. Maritime Administration's reserve fleet sites in rivers and bays around our coastline.

This figure, taken in conjunction with the fact that several hundred Libertys were lost due to enemy action and other causes, and that several hundred others have been converted to such speck-purpose vessels as colliers, oil tankers, troop transports, hospital ships, ammunition ships and training vessels, leaves us with but one conclusion – the Liberty is too slow and inefficient for modern shipping needs. Some Libertys, of course, are in operation, but these are mostly doing tramping duty under foreign flags or carrying bulk cargoes like grain, ore and coal.
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However, it is not the economic aspect of the outmoded Liberty which concerns the Defense Department and the Maritime Administration. Those 1400 Liberty ships in the reserve fleet are supposed to represent security in any future national emergency. In the last few years the conviction has been growing among these military experts that the Liberty ship in its present design does not really represent insurance in case of need.

Can the Liberty, for example, keep up with the speeds of future convoys? Can the Liberty hope to elude atomic-powered, snorkel-type submarines with speeds under the water of, say, 20 knots? The answer is clearly "No." Even in the limited Korean emergency, very few Liberty ships were taken out of the reserve fleet in spite of the need. The faster (16-knot) Victory and C-type ships were taken out first. Then the Defense Department had to charter privately owned vessels.

With these dismal facts confronting it, the Maritime Administration has now embarked upon and completed an experimental Liberty conversion program which proves that those 1400 ships still represent an enormous national asset. The program, using four ships, had as its objective the upgrading of the ships with regard not only to speed but also to over-all efficiency.

Increasing the speed of the Liberty may sound, on paper, like an easy matter. Why not increase the horsepower and efficiency of the engines and build new streamlined bows to replace the bluff "ugly-duckling" bows? To be sure, this can be and has been done. The problems confronting the Maritime Administration, however, were not simple in deciding upon the extent of the alterations which should be made. It must be remembered, first, that to upgrade hundreds of Liberty ships quickly in case of emergency would require vast dry-docking facilities, a call for quantities of scarce steel, and a need for new and more efficient engineering equipment.

There were other equally pressing problems of design. Could the war-built ships stand the pounding in heavy weather which the higher speeds would cause? The Liberty ships, as a matter of fact, have been quite prone to cracking, even at the lower speeds. It was apparent that the altered ships would have to be heavily strapped. Also, there were the problems of propeller vibration at higher revolutions per minute, greater stresses on the rudder, and the like.

Defense authorities had indicated a desire for 18 knots for the upgraded Libertys, but were willing to settle for 15 knots as a minimum. The latter speed was finally selected in view of the numerous problems involved, although technically it is possible to obtain an 18-knot speed with an appropriately lengthened, strengthened, finer and more powerful ship.

It was decided that one of the four ships, the Benjamin Chew, would have its speed increased to 15 knots merely by the expedient of installing 6000-horsepower steam turbines with no change in hull form. This was undertaken with some misgiving as to the seakeeping qualities of such a blunt form driven at a 15-knot speed. But the savings in steel and dry-docking capacity in an emergency dictated that the attempt be made.

Early experience with the ship has, in fact, confirmed these misgivings to some extent since the ship has had difficulty in maintaining 15 knots in heavy weather. The rate of fuel oil consumption has also been relatively high. However, it has been proved that, if necessary, the Liberty in its original form can be driven at significantly higher speeds with a minimum of alterations.

The second of the ships, the Thomas Nelson, has been given geared diesel engines with 6000 horsepower as well as a lengthened and finer bow. As expected, 15-knot speeds have been easily maintained with a very low rate of fuel consumption. It would appear that if time and facilities permit, this type of alteration is to be preferred over that of the Benjamin Chew.
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The third and fourth ships, in addition to having lengthened and finer bows, are also being used to pioneer a new type of prime mover for ships – the gas turbine. The John Sergeant is the first all-gas-turbine merchant ship in the world, although a few vessels have been fitted with gas-turbine engines combined with other types of power plants. A controllable pitch propeller, another innovation for large U.S. ships, is used in conjunction with the gas turbine. This enables the pitch of the propeller blades to be controlled from the navigating bridge.

For those of our readers who are not acquainted with the principles by which a gas turbine operates, a brief description might be helpful. A gas turbine operates by first compressing air, then heating it before sending it to a combustion chamber where fuel is mixed with the air and burned. The resulting gas is expanded through turbine nozzles, thus providing the power to turn the propeller shaft. The gas turbine is claimed to produce high thermal efficiency with reduced size and weight of machinery. Low-cost bunker "C" fuel oil may be burned. The gas turbine will probably be most efficient in the 7500- to 15,000-horse-power range.

The William Patterson, the last of the four conversions, went into service in mid-1957. She is equipped with a gas turbine, too, but it is of a somewhat different type from the Sergeant's. The latter has what is known as an "open-cycle" gas turbine, while the Patterson has a "free-piston" type. (in the free-piston machinery, the pistons are not connected to crank-shafts as is customary in other internal combustion engines. Instead, the air-fuel mixture is burned between opposed pistons which then spring apart, compressing air at both ends of a cylinder. The compressed air causes the pistons to bounce back, thus forcing the gas into the turbine.)

The marine industry is watching with great interest to find, first, whether the gas turbine will produce a more efficient prime mover than the steam turbine or diesel drive and, second, to find which type of gas turbine is better from an over-all point of view.

Another aspect of the Liberty ship conversion program deserves comment. The Maritime Administration is using the program to experiment with different types of cargo-handling equipment, the theory being that increased speed at sea is only part of the picture of more efficient utilization of ships, the time spent in port loading and discharging cargo being of equal importance. So we find that the Thomas Nelson, for example, is equipped with radically new cargo cranes of two different types. The Benjamin Chew has a conventional set of cargo booms but of an improved type. She also has a removable 'tween deck in No. 2 compartment.

All in all, these four Liberty ships are vastly improved vessels from their 1400 sisters still resting in the reserve fleet. They are being operated on the North Atlantic run by the same operator, the United States Lines. This will ensure, as nearly as possible, the same weather and port conditions, so that the many differences among the ships can be evaluated to arrive at valid conclusions as to what the ultimate form of the converted Liberty prototype should be. Although the program has primarily been aimed at the objective of upgrading the reserve fleet of Liberty ships in time of national emergency, it is also proving of great value to U.S. ship operator.
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The new look in Liberty ships appears to be not only new but also very pleasing.

In February of 1946, tugboat crews in New York Harbor had had it. They had been trying since October, 1945 to negotiate an end to the wartime freeze on wages, to reduce hours from 48 per week to 40, to receive two weeks paid vacation per year, and perhaps most importantly, to end the practice of stranding workers in far-away ports and forcing them to pay their own way home, without success. Although the war was over, the federal government was still regulating the price of freight, which meant that shipping companies didn't want to raise wages. Frustrated, the tugboat workers struck. Starting February 4, 1946, tugboats did not move coal or fuel in the nation's busiest port. 

Manhattan is an island, and maritime freight played a huge role in supplying the city with fuel, food, and other supplies, as well as removing garbage by water. At the time of the strike, officials estimated the city has just a few days of reserve coal. 

​The strike was covered in several newsreels at the time. ​British Pathe put together this short report on the strike:

​Universal put together this newsreel, sadly presented here without any sound:

Newly-elected mayor William O'Dwyer did not react well to the strike. Facing a fuel shortage for one of the nation's most populous cities in midwinter was no laughing matter, but O'Dwyer implemented measures that many later deemed an overreaction to the strike. He essentially rationed fuel for the entire city, prioritizing housing for the sick and aged, but enforcing a 60 degree maximum temperature for all other building interiors, turning off heat in the subway and limiting service, shutting down all public schools on February 8, and by February 11 shutting down entirely restaurants, stores, Broadway theaters, and other recreational venues. The bright lights of Times Square and elsewhere were also turned off to conserve electricity, as illustrated in this second newsreel from British Pathe: 

After 18 hours of shutdown, the shipping companies and the tugboat unions agreed to end the strike and enter into third party arbitration for their contract. Tugboats started moving fuel again, and the lights turned back on. And that's the end of the story - or is it? 

On February 14, 1946, the New York Times published an article entitled "Lessons of the Tug Strike," whereby they largely blamed O'Dwyer for the costly shutdown. "New York tugboat workers and management have sent their dispute to arbitration after a ten-day strike that endangered life and property, cost business millions of dollars and paralyzed the whole city for a day. We may well breathe a sigh of relief and at the same time examine some aspects of this incident that offer guidance for the future," the Times wrote, and went on to ask that O'Dwyer never do that again "unless the need is clearly established." 

​As for the tugboat workers, it would take nearly another year for the threat of a strike to fade completely. Negotiations continued throughout 1946, with little movement, until the threat of another strike emerged in December of 1946. It was avoided by additional arbitration with Mayor O'Dwyer's emergency labor board. Finally, the arbitrators won concessions from both sides, and on January 5, 1947, the New York Times reported that a settlement had been reached. The tugboat workers got their 40 hour workweek, but not the same wages as 48 hours of work. They did get an 11 cent per hour wage increase along with a minimum wage for deck hands, a five day workweek, and time and a half for Saturdays and Sundays. However, the contract was only for 12 months, and in December of 1947, another strike was on the table as workers struggled for another wage increase. The strike was averted with more concessions from the companies, including a ten cent raise, food allowances, and more. But in the fall of 1948, the contract was up again, and the specter of the February, 1946 shutdown arose as a strike was once again on the table as part of the negotiations.

Strikes were common in the years following the Second World War, in nearly every aspect of American society. In particular, the Strike Wave of 1945-46 impacted as many as five million American workers across all sectors. The strikes, although sometimes effective in improving worker wages and conditions, were largely unpopular with the general public. In 1947, Congress overrode President Truman's veto of the Taft-Hartley Act, which limited the power of labor unions and ushered in an era of "right to work" laws. Learn more about the strike wave in this podcast from the National WWII Museum. 

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This week is the 80th anniversary of the destruction of the S.S. Normandie. On February 9, 1942, the S.S. Normandie, recently renamed the U.S.S. Lafayette, caught fire as civilian shipbuilders were trying to retrofit her as a troop transport. 

​The Normandie was the pride of the French ocean liner fleet. Built in 1935, she was the largest and fastest and most luxuriously appointed of the new ocean liners. But when war broke out in Europe she was in New York Harbor. When France declared war on Germany on September 3, 1939, the Normandie was held by the U.S. government in New York Harbor. Still owned and crewed by the French, she was not allowed to leave. On December 12, 1941, just five days after the attack on Pearl Harbor, the Normandie was officially seized by the U.S. government, and on December 27th she was transferred to the U.S. Navy, who re-christened her the U.S.S. Lafayette and began work on converting her to a troop transport. 

In the first class lounge, where varnished woodwork and flammable life jackets were still in place, sparks from a welding torch lit a stack of life jackets on fire. Sadly, the Normandie's complicated fire suppression system had been disconnected during the process, and the hoses brought by New York City firefighters would not fit the French connections. The blaze aboard the Normandie​ could not be stopped, and she rolled and sank at dock.

Despite an extraordinarily expensive salvage operation in August of 1943, the righted Lafayette had sustained too much damage to be easily repaired, and both war materiel and labor were short. The Lafayette was never repaired and sat in dry dock for the remainder of the war. She was officially stricken from Naval records in the fall of 1945, and the French didn't want her either. Some attempts were made by private individuals to save her, but none were successful. She was scrapped at Port Newark, NJ between October, 1946 and December, 1948. 

Despite this tragic end, many of her most beautiful interiors and artwork were saved and now reside in private collections and at museums around the world, including at the Metropolitan Museum of Art. Her whistle eventually ended up at Pratt Institute, and was used in the New Year's Eve celebrations until recently. 

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Today is Memorial Day. And although the real meaning of the holiday often gets lost in all the sales and barbecues, we thought we'd take some time to remember some of the unsung heroes of wartime - the U.S. Merchant Marine.

This WWII-era newsreel highlights the important work of the Merchant Marine during the war:

The Merchant Marine refers to all U.S. flagged cargo ships and freighters. During wartime, these civilian vessels - and their civilian crews - were crucial to moving war materiel and maintaining supply lines across the oceans. Because these men were not officially enlisted in the military, despite their hugely important wartime work,  they have not traditionally been celebrated on Memorial Day. In fact, National Maritime Day, held on May 22nd, is often referred to as the Merchant Marine Memorial Day. But merchant mariners had a higher wartime casualty rate than any  branch of the military during the Second World War. One in 26 merchant mariners died in the war, a higher rate than even the U.S. Marines. 

During WWII, approximately 243,000 merchant mariners served, and over 9,500 died as a result of enemy action, nearly 4%. In contrast, the U.S. Coast Guard, in which 242,000 served, lost 571 men to enemy action, or about a quarter of a percent. Despite these high casualty rates, because they were not enlisted in a branch of the military, the Merchant Marines were not eligible for Purple Heart medals. In 1943, Congress attempted to rectify that lack with the establishment of the Merchant Marines Mariner's Medal. Over 6,000 medals were awarded before it was discontinued in 1956. It was not awarded in subsequent conflicts, but in 1992, the US Department of Transportation announced several new medals which were retroactively awarded to merchant mariners who served in Korea, Vietnam, and more recently wartime engagements, including Operations Desert Storm, Iraqi Freedom, and others. 

To get a taste of the dangerous voyages that merchant mariners made in wartime, there are a couple of movies to check out. The first is "Action in the North Atlantic," a 1943 film starring Humphrey Bogart. ​

Although it focuses on the captain of the lead naval destroyer escorting a convoy across the Atlantic, you get a feel for the extreme danger posed to merchant mariners by U-boats, and how many ships and lives were lost attempting to keep the supply lines open and running. Based on the real events of the Battle of the Atlantic, "Greyhound" makes for good, if nerve-wracking, watching.  

“If you’re a merchant sailor, you don’t know if the ship you’re on at any moment will suddenly explode. You don’t know if it is hit and you have to go in the water, will you be found? … If you’re a survivor, you hope to God you get in a lifeboat, and then you hope that somebody picks you up. Otherwise, you’re done.” To learn more about the real life counterparts of the Greyhound​, check out this article from the Smithsonian Magazine. ​

As we remember all those who lost their lives in military action this Memorial Day, we hope you'll remember the Merchant Marines, too.

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Are your shad bushes blooming? The large shadbush (also known as juneberry or serviceberry or shad blow) in the museum's courtyard is getting ready to bloom - that means the shad run is starting! 

In this story, Port Ewen commercial fisherman Frank Parslow describes restrictions on fishing in New York Harbor during WWII and the impact on Hudson River fishermen.

This audio clip is part of the Hudson River Maritime Museum's Hudson River Commercial Fishermen Oral History Collection. You can listen to a selection of the museum's full oral history interviews on New York Heritage.

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“The maintenance of a merchant marine is of the utmost importance for national defense and the service of our commerce.” President Calvin Coolidge

“In peacetime, the U.S. Merchant Marine includes all of the privately owned and operated vessels flying the American flag – passenger ships, freighters, tankers, tugs, and a wide miscellany of other craft. Merchant Marine vessels ply the high seas, the Great Lakes, and the inland waters, such as the Chesapeake Bay and navigable rivers.”  Heroes in Dungarees by John Bunker

During the colonial period, businessmen and legislators realized that prosperity was connected to trade. The more shipment of imports and exports through colonial ports the more money there was to be made. Carrying American produced goods to market in American made and managed ships kept the money in American pockets. Formation of the United States Merchant Marine is dated to 1775 when citizens at Machias, Massachusetts (now Maine) seized the British schooner HMS Margaretta in response to receiving word of  the Battles of Lexington and Concord. 

After the Revolutionary War American ships were no longer under the protection of the British empire.  The new nation offered incentives for goods to be moved on American ships. Wars on the European continent turned attention away from American activity as U.S. ships opened up new trade routes in the early Federal period. The Empress of China  reached China in 1784, the first U.S. registered ship to do so. American shipping and shipbuilding flourished in the early 1800s.

The years between the War of 1812 and the Civil War saw the development of canal systems connect the western interior with seaport markets. “Those years saw the merchant marine rise to its zenith in terms of the percentage of American trade carried. Only in the aftermaths of World Wars I and II would its percentage of world tonnage stand as high.” America's Maritime Legacy by Robert A. Kilmarx

Sail powered packet ships, carrying passengers, pushed their crews hard. There was money to be made in quick passages across to Europe and back. Clipper ships also relied on speed as they carried high value cargoes of silk, spices and tea across the Pacific and the slave trade across the Atlantic.

The hybrid sailing ship/sidewheeler steamer  Savannah’s 1819 Atlantic crossing, the first with a steam powered engine, signaled the start of the transition from sail to steam. The May 22 date for National Maritime Day commemorates the day Savannah set sail from Savannah, Georgia to England. The Savannah transported both passengers and cargo. More information about the SS Savannah is here: 

Restoration of the merchant marine after the disruption of the Civil War was a national political issue in 1872. The Republican party advocated adopting measures to restore American commerce and shipbuilding. Mail packets, carrying mail around the world were active in this period. Financial scandals were associated with mail packet contracts. Training sailors in an academic setting began in the last quarter of the 1800s, predecessors of the present day Maritime Academies. The period between the end of the Civil War in 1865 and the European outbreak of World War I was a dynamic time for shipping. American raw materials and agricultural products were shipped to world markets and products from those markets received and used by American industries.

​John Bunker writes: “When we entered the war, the Merchant Marine, although still privately owned, came under government control. The men who sailed the ships were civilians, but they also were under government control and subject to disciplinary action by the U.S. Coast Guard and, when overseas, by local U.S. military authorities. Compared with soldiers and sailors, merchant seaman had much more freedom of movement. After completing a voyage, they could usually leave a ship but had to join another vessel within a reasonable period of time or be drafted into the U.S. Armed Forces. There was no uniform required for merchant seamen. Some officers wore uniforms; many did not. During the war, merchant ships were operated by some forty steamship companies, and the War Shipping Administration assigned new ships to them as they were completed. A total of 733 U.S.-flag merchant ships were lost during World War II. More than 6,000 merchant seamen died as the result of enemy action.”p12

​U.S. Maritime Service personnel operated the 2,700 Liberty ships during World War II. The U.S. Maritime Service was the only service at the time with African American crew members serving in every capacity aboard ship. Seventeen Liberty Ships were named for African-Americans. Approximately 10%, 24,000, African Americans served in the Merchant Marine during World War II.

During World War II the U.S. Merchant Marines moved war personnel and material under conditions shown above.

​The American Merchant Mariner’s memorial in Battery Park, New York City reads: "This memorial serves as a marker for America’s merchant mariners resting in the unmarked ocean depths." Poignantly the sailor in the water is covered twice a day at high tide.  Installed in 1991 by sculptor Marisol Escobar designed based on a photo of the sinking of the SS Muskogee by German U-boat 123 on March 22nd, 1942. The photo was taken by the U-boat captain. The American crew all died at sea.

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​Merchant mariners who served in World War II were denied veterans recognition and benefits including the GI Bill. This despite having suffered a per capita casualty rate greater then those of the U.S. Armed Forces. In 1988 a federal court order granted veteran status to merchant mariners who participated in World War II.

On May 31, 1993, the Hudson River Maritime Museum received a brass plaque reading: “The United States Merchant Marine. This plaque is dedicated in memory of those who served in the U.S. Merchant Marine during W.W. II and in particular to those who did not survive “The Battle of the Atlantic”. Their dedication, deeds and sacrifices while transporting war material to the war shared their sacrifices and final victory, we, their surviving shipmates dedicate this memorial with the promise that they shall not be forgotten. Died 6,834. Wounded 11,000. Ship Sunk 833. P.O.W. 604. Died in Prisoner of War Camps 61. American Merchant Marine Veterans – May 31, 1993.”

Today, the Maritime Administration (MARAD) is the Department of Transportation agency responsible for the U.S. waterborne transportation system. Founded in 1950 the mission of MARAD is to foster, promote and develop the maritime industry of the United States to meet the nation’s economic and security needs. MARAD maintains the Ready Reserve Fleet, a fleet of cargo ships in reserve to provide surge sea-lift during war and national emergencies. A predecessor of the RRF, the Hudson River Reserve Fleet of World War II ships, popularly referred to as the Ghost Fleet, was in the Jones Point area from 1946 to 1971. More about the Maritime Administration including a Vessel History Database can be found here: https://www.maritime.dot.gov/

Modern day training of merchant marines is held at seven academies, two of which U.S. Merchant Marine Academy and SUNY Maritime College, are in New York State.

The U.S. Merchant Marine Academy, Kings Point, NY (USMMA) is one of the five United States service academies. When the academy was dedicated on 30 September 1943, President Franklin D. Roosevelt, noted "the Academy serves the Merchant Marine as West Point serves the Army and Annapolis the Navy."

​USMMA graduates earn:

• a Bachelor of Science degree;
• an unlimited US Coast Guard License as a Merchant Marine Officer, either 3rd Mate or 3rd Assistant Engineer
• a Commission as an ensign in the U.S. Navy Reserve Strategic Sealift Officer Program (see: Navy Reserve Merchant Marine Insignia), or if accepted, as an ensign in the U.S. Navy, U.S. Coast Guard, or National Oceanic and Atmospheric Administration, or as a 2nd lieutenant in the U.S. Marine Corps, U.S. Army, or U.S. Air Force. Graduates who choose military service must serve at least five years in the active duty force of their respective service.

USMMA graduates fulfill their service obligations on their own, providing annual proof of employment in a wide variety of MARAD approved occupations. Either as active duty officers in any branch of the military or uniformed services, including the Public Health Service and the National Oceanic Atmospheric Administration or entering the civilian work force in the maritime industry.
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State-supported maritime colleges:
There are six state-supported maritime colleges. These graduates earn appropriate licenses from the U.S. Coast Guard and/or U.S. Merchant Marine. They have the opportunity to participate in a commissioning program, but do not receive an immediate commission as an Officer within a service.

• California State University Maritime Academy 
• Great Lakes Maritime Academy 
• Maine Maritime Academy 
• Massachusetts Maritime Academy 
• State University of New York Maritime College 
• Texas A&M Maritime Academy 

​More information about the U.S. Merchant Marines can be found here:

• https://www.maritime.dot.gov/about-us
• https://www.usmma.edu/
• https://www.history.navy.mil/content/history/museums/nmusn/explore/photography/wwii/wwii-atlantic/battle-of-the-atlantic/merchant-ships/merchant-marine-service.html
• https://en.wikipedia.org/wiki/United_States_Merchant_Marine
• https://www.archives.gov/news/articles/merchant-marine-records-document-maritime-service
• https://ammv.us/
• http://righttofightexhibit.org/during-war/merchant-marine.php 
• “Heroes in Dungarees: The Story of the American Merchant Marine in World War II” by John Bunker
• “America’s Maritime Legacy, A History of the U.S. Merchant Marine and the Shipbuilding Industry since Colonial Times” by Robert A. Kilmarx

Thank you to John Phelan, HRMM Wooden Boat School Coordinator and Dock Master for suggesting this blog post topic. John graduated from the U.S. Merchant Marine Academy and held the title of Chief Mate working on product tankers for a major oil corporation during his years at sea.

​​If you enjoyed this post and would like to support more history blog content, please make a donation to the Hudson River Maritime Museum or become a member today!