Two submarines were also observed on Monday, one departing while the other arrived. The outbound submarine, HMS TORBAY, passed Cloch Point escorted by the Defence Police launch RONA. An attack submarine of the 'Trafalgar' class, TORBAY dates from the late 1980s, and following an extensive refit a few years ago, is expected to remain in service until 2015.
Passing inward at the same time was USS PITTSBURGH, a member of the US Navy's large 'Los Angeles' class. She headed for Faslane. PITTSBURGH was built by General Dynamics Electric Boat Division at Groton in Connecticut and was commissioned in 1985. She is claimed to have fired Tomahawk missiles into Iraq during the 1991 Gulf War, and again during the 2003 invasion of Iraq.