The Gloster Aircraft Company Limited known locally as GAC was a British aircraft manufacturer. The company produced a famous lineage of fighters for the Royal Air Force (RAF): the Grebe Gladiator Meteor and Javelin. It also produced the Hawker Hurricane and Hawker Typhoon for the parent company Hawker Siddeley. Gloster produced the first British jet aircraft the E.28-39 and the first British production jet fighter the Meteor the only Allied jet aircraft to see service in World War II.