British design of a minehunter around 1978

National Maritime Museum, Greenwich, London, England

The Ton-class coastal minesweepers built in the 1950s preceded by tge Algerine-class were succeeded by the River-class minesweepers built in the 1980s, Hunt- class mine countermeasure vessels built between 1978-1988and Sandown-class minehunters in service since 1989