HMS ''Thatcham'' was one of 93 ships of the of inshore

minesweepers A minesweeper is a small warship designed to remove or detonate naval mines. Using various mechanisms intended to counter the threat posed by naval mines, minesweepers keep waterways clear for safe shipping. History The earliest known usage of ...

. Their names were all chosen from villages ending in ''-ham''. The minesweeper was named after

Thatcham Thatcham is an historic market town and civil parish in the English county of Berkshire, centred 3 miles (5 km) east of Newbury, 14 miles (24 km) west of Reading and 54 miles (87 km) west of London. Geography Thatcham straddles t ...

in Berkshire.

References

*Blackman, R.V.B. ed. ''Jane's Fighting Ships'' (1953) Ham-class minesweepers Royal Navy ship names 1957 ships Thatcham {{UK-minesweeper-stub