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Fleet Replenishment Oiler

Fleet Replenishment Oilers

Provide underway replenishment of fuel, fleet cargo and stores to customer ships at sea.


Length: 677.5 ft
Beam: 97.5 ft
Displacement: 40,900-41,225 tons
Speed: 20 knots
Civilian: 74-89
Military: 5



USNS Henry J. Kaiser (T-AO 187)
USNS Joshua Humphreys (T-AO 188)
USNS John Lenthall (T-AO 189)
USNS Walter S. Diehl (T-AO 193)
USNS John Ericsson (T-AO 194)
USNS Leroy Grumman (T-AO 195)
USNS Kanawha (T-AO 196)
USNS Pecos (T-AO 197)
USNS Big Horn (T-AO 198)
USNS Tippecanoe (T-AO 199)
USNS Guadalupe (T-AO 200)
USNS Patuxent (T-AO 201)
USNS Yukon (T-AO 202)
USNS Laramie (T-AO 203)
USNS Rappahannock (T-AO 204)


Length: 746 ft
Beam: 106 ft
Displacement: 49,850 tons
Speed: 20 knots
Civilian: 99
Military: 5



USNS John Lewis (T-AO 205)
USNS Harvey Milk (T-AO 206)
USNS Earl Warren (T-AO 207)

Ship Photos

USNS Big Horn
USNS Walter S. Diehl
USNS John Ericsson
USNS Leroy Grumman
The Henry J. Kaiser-class fleet replenishment oiler USNS John Ericsson (T-AO 194) steams in formation during Valiant Shield 2020.
The aircraft carrier USS Theodore Roosevelt (CVN 71), back, transits alongside the Military Sealift Command fleet replenishment oiler USNS Guadalupe (T-AO 200) Jan. 1, 2021.
USNS Joshua Humphreys (T-AO 188) returned to Naval Station Norfolk, after completing a five-month deployment in the U.S. Fifth Fleet, responsible for Naval Forces in the Persian Gulf, Red Sea, Arabian Sea, and parts of the Indian Ocean, August 11.
USNS Laramie (T-AO 203)
The Arleigh Burke-class guided-missile destroyer USS Arleigh Burke (DDG 51), left, and the Wasp-class amphibious assault ship USS Iwo Jima (LHD 7) come alongside the Henry J. Kaiser-class fleet replenishment oiler USNS Kanawha (T-AO 196) during a replenishment-at-sea during their Surface Warfare Advanced Tactical Training (SWATT), Oct. 15, 2020.
USNS John Lenthall and USS Gerald R. Ford conduct a vertical replenishment-at-sea
USNS Patuxent
USNS Pecos
The Military Sealift Command fleet replenishment oiler USNS Yukon (T-AO 202) prepares to conduct a replenishment-at-sea with the guided-missile destroyer USS Paul Hamilton (DDG 60) in the Arabian Sea.
USNS Rappahannock
USNS Rappahannock
USNS Harvey Milk during acceptance trials in May 2023.

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