RMAS Forceful From Mark C. Last paddle tug used by the Admiralty in Portsmouth, withdrawn from service in 1981 to be replaced by RMAS Adept (TUTT - twin unit tractor tug). Director class, built in the late 50's to work alongside Aircraft carriers, were diesel/electric and had independent paddles.
1957 from builder to Portsmouth under CD. 10.11.81 transferred to DNAW as a missile target at Aberporth Range.