ARC is the acronym used by the Colombian National Armada ships. It means A Rmada C olombiana, as it's used in the United States as USS, or in England as HMS. Coat of Arms of the Colombian National Armada. ... USS is a three-letter acronym, or TLA that may designate one of the following: United States Ship Typically as a ship prefix in the United States Navy United Star Ship (conjectural) (Star Trek) United States Standard, an older standard of screw thread Uncorrected sum of squares Under-seat steering... Motto (French) God and my right Anthem God Save the King (Queen) England() – on the European continent() – in the United Kingdom() Capital (and largest city) London (de facto) Official languages English (de facto) Government Constitutional monarchy  -  Queen Queen Elizabeth II  -  Prime Minister Tony Blair MP Unification  -  by Athelstan 967  Area... HMS is a TLA that may stand for: Her Majestys Ship or His Majestys Ship (Royal Navy) hour-minute-second Halb Mastwurf Sicherung Harvard Medical School Haslemere Musical Society Hazardous materials safety Headend management station Health monitoring system Heavy melting scrap Helmet-mounted sight Her Majestys Service...