page_title: Strategic sealift ships
section_title: Sergeant Matej Kocak class
hierarchical_section_title: Strategic sealift ships / Ships / Sergeant Matej Kocak class
caption_attribution_description: English: The U.S. Military Sealift Command container and roll-on/roll-off ship USNS PFC Eugene A. Obregon (T-AK-3006), participates in a group sail during exercise "Turbo Activation" in the Atlantic Ocean on 24 September 2019. "Turbo Activation" is a large-scale sealift readiness exercise series, which rapidly activates a mix of Military Sealift Command and U.S. Department of Transportations Maritime Administration ships on the U.S. East, West, and Gulf Coasts. The exercise shall provide an assessment of the readiness of U.S. sealift forces, while also stressing the underlying support network involved in maintaining, manning and operating the nations ready sealift forces.
context_page_description: Strategic sealift ships are part of the United States Military Sealift Command's prepositioning program. There are currently 49 ships in the program, strategically positioned around the world to support the Army, Navy, Air Force, Marine Corps and Defense Logistics Agency. Most are named after Medal of Honor recipients from the service they support. The ships are assigned to two Military Prepositioning Ship squadrons located in the Indian Ocean at Diego Garcia and in the Western Pacific Ocean at Guam and Saipan.
  The MPS ships in each squadron have sufficient equipment, supplies and ammunition to support a Marine Air-Ground Task Force for 30 days. The MPS ships are self-sustaining, with cranes to unload at sea or pierside. MSC chartered the first two ship classes in the MPS role from civilian shipping lines and converted them. Later ships were purpose-built.
context_section_description: The Sergeant Matej Kocak class, the second class of MPS ships chartered by MSC, also gained 157 feet (48 m) amidships and a helicopter deck after conversion. These ships, delivered to MSC in the mid-1980s, built at Sun Shipbuilding & Drydock Co., Chester, Pennsylvania, and converted at National Steel and Shipbuilding Company, San Diego.  They were previously owned by Waterman Steamship Corporation but recently sold to MSC and now operated by Keystone Shipping Company.
  Builder: Sun Shipbuilding & Drydock Co., Chester, PA; General Dynamics Quincy Shipbuilding Division, Quincy, Massachusetts
  Converted:  National Steel and Shipbuilding Company, San Diego, California
  Power Plant: 2 boilers; 2 GE turbines; 30,000 hp (22,371 kW); 1 shaft
  Length: 821.0 ft (250.2 m)
  Beam: 105.6 ft (32.2 m)
  Displacement: 48,754 tons (49,536 metric tons) full load
  Cargo capacity: Containers, 532; ro-ro, 152,236 sq ft (14,143 m²); JP-5 barrels, 20,290; DF-2 barrels, 12,355; Mogas barrels, 3,717; stable water, 2,189; cranes, two twin 50-ton and one 30-ton gantry
  Helicopters: platform only
  Speed: 20 knots (37 km/h)
  Ships:
  USNS Sgt. Matej Kocak (T-AK 3005) (formerly SS Sgt. Matej Kocak, SS John B. Waterman)
  USNS PFC Eugene A. Obregon (T-AK 3006) (formerly SS PFC Eugene A. Obregon, SS Thomas Heywood)
  USNS Maj. Stephen W. Pless (T-AK 3007) (formerly SS Maj. Stephen W. Pless, SS Charles Carroll)
  Crew: 34 civilians, 10 technicians
caption: USNS PFC Eugene A. Obregon
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