Fort Rosalie-class replenishment ship
The Fort Rosalie or Fort class of fleet replenishment vessel of the British Royal Fleet Auxiliary are designed to replenish Royal Navy taskgroups with all kinds of armaments and victualling stores while under way. Unlike the bigger, they supply dry stores but not fuel. RFA Fort Rosalie was originally known as Fort Grange but was renamed in 2000 to avoid confusion with the new Fort Victoria-class replenishment oiler.
Design
They have the capacity to store 3,500 tons of stores, including refrigerated items, in four holds. They are capable of replenishment at sea, using three 10-ton and three 5-ton cranes and vertical replenishment. For the latter role there are generous flight facilities; a single spot flight deck, an emergency landing platform atop the hangar and a complement of up to four Fleet Air Arm Westland Sea King helicopters and the requisite maintenance facilities. As such, they are often used for aviation training.History
Two ships were ordered in 1971, with the first entering service in 1978. Both ships saw service in the Falklands War, the then Fort Grange being shadowed by Argentine Air Force C-130 Hercules aircraft while still from the combat area and Fort Austin being attacked while sitting in San Carlos Water. Fort Austin supported the British intervention in Sierra Leone in 2000.Fort Austin was mothballed in 2009 but was reactivated following the 2010 SDSR at the expense of. Both Fort Rosalie and Fort Austin have had major refits at Cammell Laird to enable another decade of service. In 2011 it was announced that the service lives of Fort Austin and Fort Rosalie would be extended by another two years to 2023 and 2024 respectively. They will ultimately be replaced by the new Solid Support Ships.
As of June 2020, both ships were reported to be in extended readiness with replenishment rigs not compatible with Queen Elizabeth-class carriers.
Ships
| Name | Pennant | Builder | Commissioned | fate |
| A385 | Scott Lithgow, Greenock | 6 April 1978 | Extended readiness as of 2020 | |
| A386 | Scott Lithgow, Greenock | 11 May 1979 | Extended readiness as of 2020 |