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Sun Shipbuilding & Drydock Company (1917–1989) was a major shipbuilding company in Chester, Pennsylvania on the Delaware River.

Its primary product was tankers, but the company built many types of ships over its 70-year history. During World War II, it participated in the U.S. Government's Emergency Shipbuilding Program. The company was also part of the U.S. aerospace industry during the Cold War; it built various propulsion research & development structures, including the largest U.S. rocket test chamber, for Aerojet General in 1963.

History

The company was developed by Sun Oil Company, and launched its first ship in 1917, just as the United States was entering World War I. Under the direction of its president, John Glenn Pew, the company experienced tremendous success over the following decades. In the 1920s, it had become a large shipyard that built tankers for the Standard Oil Company. In 1936, the Pew family offered John J. McClure and his Republican political machine control over hiring at Sun Shipbuilding as patronage to lure him out of retirement after the scandal involving the Rum Ring Trial.

By the start of World War II, Sun was among the country's five largest shipyards, with eight slipways. Twenty slipways were added during the war, making Sun Ship the country's largest shipyard. At its peak, the company employed more than 40,000 workers at four shipyards. During World War II, Sun Shipbuilding was the largest private-sector employer of African-Americans in the United States and controversially segregated many of the black workers to yard #4.

Sun Shipbuilding built 281 T2 tankers during World War II, about 40% of the U.S. wartime total. It also built hospital ships, cargo ships, and escort carriers for the United States Maritime Commission (MARCOM). On 27 September 1941, it contributed one of the 14 ships launched on Liberty Fleet Day: SS Surprise. Sun Shipbuilding originally had a contract to build 30 of the C4 ships. MARCOM prioritized Sun's expertise in building urgently needed T2-SE-A1 tankers and withdrew 20 C4s from Sun and assigned them to Kaiser's Richmond, California yard. The Sun ships, designated C4-S-B2, became War Shipping Administration troopships operated by commercial agents or Navy hospital ships.

Sun continued as a merchant shipbuilder after the war, but sold the South and #4 Yards for industrial development.

In the 1970s, Sun built ten roll-on/roll-off (ro/ro) ships for various operators. One of them, sailing under the name SS El Faro, was lost in a hurricane on October 1, 2015, while steaming from Jacksonville, Florida, to San Juan, Puerto Rico.

On or around February 18, 1971, the Glomar Explorer, a top secret ship was designed and built for the CIA to raise a sunken Soviet submarine lost 2 years earlier in the Pacific. The ship's construction required a purpose built crane ship, Sun 800, to lift its 630-ton gimbal into place.

Pennsylvania Shipbuilding Company

The company was sold to Pennsylvania Shipbuilding in 1982, and closed in 1989. The Central Yard site has been sold or leased for multiple uses, while the North Yard is now an independent cargo terminal.

Harrah's Philadelphia

In 2006, a new casino then named "Harrah's Chester" opened on the Sun Ship site and after a rename in May 2012 is currently in operation as "Harrah's Philadelphia".

See also

Category: Ships built by the Sun Shipbuilding & Drydock Company

References

1. Herman, Arthur. Freedom's Forge: How American Business Produced Victory in World War II, pp. 121, Random House, New York, NY, 2012. ISBN 978-1-4000-6964-4.
2. Welders Complete 280-in. Case. // Aviation Week & Space Technology, February 4, 1963, v. 78, no. 5, p. 61.
3. Philadelphia in the World War 1914-1919. New York: Wynkoop Hallenbeck Crawford Co. 1922. pp. 393–395. Retrieved 11 May 2020.
4. "John G. Pew" (PDF). www.sunship.org. 'Our Yard' company newsletter. Retrieved December 12, 2016.
5. ^ Blumgart, Jake. "Chester, Pennsylvania". www.philadelphiaencyclopedia.org. Retrieved 26 May 2020.
6. Herman, Arthur. Freedom's Forge: How American Business Produced Victory in World War II, pp. 121, 268-9, 274, Random House, New York, NY, 2012. ISBN 978-1-4000-6964-4.
7. "List of ships built by Sun Shipbuilding". Retrieved 4 September 2008.
8. Pacific American Steamship Association; Shipowners Association of the Pacific Coast (June 1944). "C4, C1-M-AV1 and Tanker Contracts". Pacific Marine Review. San Francisco: J.S. Hines: 104. Retrieved 11 June 2021.{{cite journal}}: CS1 maint: multiple names: authors list (link)
9. Charles, Roland W. (1947). Troopships of World War II (PDF). Washington: The Army Transportation Association. pp. 149, 199–221. LCCN 47004779.
10. Krueger-Kopiske (2007). "Outboard Profiles of Maritime Commission Vessels — The C4 and his Sub Designs and Conversions". Retrieved 9 June 2021.
11. "Howard Hughes, the CIA, the Glomar Explorer and the sunken Russian Submarine (18:37/48:20)". YouTube. Archived from the original on 2021-12-21. Retrieved 27 September 2019.
12. "The Biggest Crane Barge on the Baltimore Bridge Project Has a CIA Past". The Maritime Executive. 31 March 2024. Retrieved 1 April 2024.

External links

• Sun Shipbuilding historical site
• Federation of American Scientists Military Analysis Network
• http://users.telenet.be/doxford-matters/sundoxford.html
• http://shipbuildinghistory.com/shipyards/large/sun.htm

39°50′56″N 75°21′05″W / 39.84898°N 75.351409°W / 39.84898; -75.351409

• 1917 establishments in Pennsylvania
• 1989 disestablishments in Pennsylvania
• American companies established in 1917
• Chester, Pennsylvania
• Companies based in Delaware County, Pennsylvania
• Companies disestablished in 1989
• Defunct manufacturing companies based in Pennsylvania
• Defunct shipbuilding companies of the United States
• Sunoco LP