High Quality Content by WIKIPEDIA articles! HMS Gloucester was a Batch 3 Type 42 destroyer of the Royal Navy. The ship was built by Vosper Thorneycroft at Woolston, Southampton and launched on 2 November 1982 by The Duchess of Gloucester. HMS Gloucester was one of the modified last four of the class to be built, having a lengthened hull design giving better seakeeping qualities and greater endurance. The flight deck recognition letters worn by HMS Gloucester were GC, and her international callsign was GBBF.