"American Aircraft in Royal Air Force Service- Consolidated Model 32 Liberator." Liberator C Mark I, AL578 "Marco Polo", of No. 45 (Atlantic Transport) Group, on the ground at Lyneham, Wiltshire. This long-serving aircraft is seen in Transport Command's post-war finish, consisting of overall polished bare-metal surfaces, with the serial number painted under each wing and the aircraft callsign displayed on the nose.