Edited sentence: 2c British two-seater near Arras.3/15, over a B.3/15, which he flew numerous times during July 1915 while serving with Feldflieger Abteiling 62, based near Douai - this was after he used one of the very first operational Albatros C.5K/MG, with IdFlieg number E.Future German master aerial tactician Oswald Boelcke was issued the third produced M.I armed two-seat observation aircraft to achieve his own first aerial victory on the fourth of that month, and on August 19, 1915, Boelcke scored his first single-seater victory with E