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United States' Sangamon class escort aircraft carrier

Photos

CVE-27 USS Suwannee escort aircraft carrier in Puget Sound Navy Yard, January 26, 1945:
United States' CVE-27 USS Suwanee escort aircraft carrier in Puget Sound Navy Yard, January 26, 1945
US Navy Photo
CVE-28 USS Chenango escort aircraft carrier at Mare Island, September 22, 1943:
United States' CVE-28 USS Chenango escort aircraft carrier at Mare Island, September 22, 1943
US Navy Photo
CVE-29 USS Santee escort aircraft carrier at Norfolk Navy Yard, September 11, 1942:
United States' CVE-29 USS Santee escort aircraft carrier at Norfolk Navy Yard, September 11, 1942
US Navy Photo
CVE-29 USS Santee escort aircraft carrier at Norfolk Navy Yard, December 31, 1942:
United States' CVE-29 USS Santee escort aircraft carrier at Norfolk Navy Yard, December 31, 1942
US Navy Photo

Design

The Sangamon class were converted from T3 fleet oilers that were originally built in 1939.1,6 These oilers were reclassified as Aircraft Escort Vessels (AVG) in January 1942.3

Hull

There were openings amidships that allowed for ventilation as the Sangamon's were still used to refuel other ships.6

Flight Deck

There were two elevators in the flight deck.1,6

One catapult was initially installed and in 1944 a second was added.3,6

Ships

CVE-26 USS Sangamon

  • Formerly the AO-28 Esso Trenton.1,2,6
  • Manufacturer: Federal6, Federal Kearny1,2, G.E.1
  • Conversion: Newport News6
  • March 13, 1939: Laid down.6
  • November 4, 1939: Launched.2,6
  • August 25, 1942: Completed.1,2,3,5,6
  • Battles: Gilbert Islands1, Kwajalein1, Eniwetok1, Marianas1, Leyte1
  • October 19426, October - November 1942: North Africa.1,3,6 Operation Torch.6
  • July 1943: Designated CVE-26.6
  • October 25, 1944: Damaged at Leyte Gulf.1
  • April 1945: Damaged by kamikaze.6
  • May 4, 1945: Damaged by kamikaze off Okinawa.1,3 Eleven died, 21 wounded, and 25 missing.3

CVE-27 USS Suwannee

  • Formerly the AO-33 Markay.1,2,6
  • Manufacturer: Federal6, Federal Kearny1,2, G.E.1
  • Conversion: Newport News.6
  • March 4, 1939: Launched.2,6
  • September 24, 1942: Completed.1,2,3,5,6
  • Battles: Gilbert Islands1, Kwajalein1, Eniwetok1, New Guinea1, Saipan1, Okinawa1
  • October 19426, October - November 1942: North Africa.1,3,6 Operation Torch.6
  • July 1943: Designated CVE-27.6
  • October 19446, October 26, 1944: Damaged at Leyte.1 Damaged by bombs.6
  • May 1945: Heavily damaged from internal explosion.6

CVE-28 USS Chenango

  • Formerly the AO-31 Esso New Orleans.1,2,6
  • Manufacturer: Sun1,2,6, Westinghouse1
  • Conversion: Bethlehem at Staten Island.6
  • April 1, 1939: Launched.2,6
  • September 19, 1942, September 29, 19423: Completed.1,2,3,5,6
  • Battles: Gilbert Islands1, Kwajalein1, Eniwetok1, Saipan1, Guam1, Leyte1, Okinawa1
  • October 19426, October - November 1942: North Africa.1,3,6 Operation Torch.6
  • Mid 1943: Designated CVE-28.6

CVE-29 USS Santee

  • Formerly the AO-29 Seakay.1,2 Esso Seakay.6
  • Manufacturer: Sun1,2,6, Westinghouse1
  • Conversion: Norfolk Navy Yard.6
  • March 4, 1939: Launched.2,6
  • August 24, 1942: Completed.1,2,3,5,6
  • Battles: Guam1, Okinawa1
  • October 19426, October - November 1942: North Africa.1,3,6 Operation Torch.6
  • March 1943: Operated off coast of Brazil with a submarine hunter killer group.3
  • February 1944, Early 19446: Returned to Pacific.3,6
  • October 25, 1944, October 19446: Damaged at Leyte by a kamikaze.1,3 Hit by torpedo from I-56.3,6

Usage

In 1943 started operations with the Pacific Fleet.1

Specifications

  Sangamon class
Crew over 1,0004, 1,0806, 1,1001
Crew - 1945 1,0802
Displacement 10,500 tons6, 11,400 tons1, 12,000 tons4
Displacement - Loaded 23,875 tons6
Physical Characteristics  
Length 553'1,2,6, 556'4
168.55 m6, 168.66 m2
Length - Water Line 525'1,2,4,6
160.02 m2,6
Beam 751,2,4,6
22.86 m2,6
Draft / Height 30'4, 30' 6"1
Draft / Height - Maximum 30' 7"2,6
9.32 m2,6
Flight Deck 495' x 75' 6"6
150.88 m x 23.01 m6
Performance  
Speed 18 knots2,4,6, 18.3 knots1
Range at 15 knots 24,000 nautical miles6
Armament  
Anti-Aircraft 5"1, 5" L/512,4,6: 21,2,6, 1 or 24
40 mm4,6: 84,6, 281
40 mm twin mounts: 42
20 mm2,4,6: 122,6, 154
Anti-Aircraft - 1945 40 mm quad mounts6: 26
20 mm6: 276
Aircraft 306, 312, 341,4
Armor  
Engines  
Boilers Babcock & Wilcox2,6: 42,6
Shafts 21,2,4,6
Turbines Allis-Chalmers Geared6, Geared1,4, General Electric2
HP 13,5001,2,4,6
Oil 4,780 tons6
  USS Sangamon
Crew 1,1003
Displacement 10,494 tons2, 10,500 tons3
Displacement - Loaded 23,875 tons2,3
Physical Characteristics  
Length 553' 6"3
168.71 m3
Beam - Over Flight Deck 114' 3"3
34.82 m3
Draft / Height 30' 7"3
9.32 m3
Performance  
Speed 18 knots3
Armament  
Anti-Aircraft 5": 23
40 mm quadruple mounts: 23
40 mm Bofors twin mounts: 73
20 mm: 213
Aircraft - 1942 F4F Wildcats: 123
SBD Dauntless: 93
TBF Avenger: 93
Armor  
Engines  
Shafts 23
Turbines Geared steam3
HP 13,5003

Sources:

  1. US Warships of World War 2, Paul H. Silverstone, 1965
  2. Conway's All the World's Fighting Ships 1922-1946, Robert Gardiner, 1987
  3. The Encyclopedia of Weapons of World War II, Chris Bishop, 1998
  4. Janes' Fighting Ships of World War II, 1989
  5. Allied Escort Carriers of World War Two in Action, Kenneth Poolman, 1988
  6. The World's Aircraft Carriers 1914 - 1945, Roger Chesneau, 1986
20th Century American Military History Crucial Site