A B-24 Liberator nicknamed "First Sergeant" of the 458th Bomb Group used as a flight assembly ship. Printed caption on reverse: '51280 AC- LEADER PLANE- This is "First Sergeant", a gaily painted leader plane used at a US Army 8th Air Force Liberator base somewhere in England to organise formations of B-24s after they take off for mission over enemy territory. There are bulb sockets on the sides of the plane so that it can be lit up for night formations. US Air Force photo.' Handwritten caption on reverse: '458 BG Assembly Ship "First Sergeant".'