BGC-03P Petty Officer, Crewman, 1915
RNAS Armoured Car units were crewed by seamen. The officers normally wore the single breasted Class III blue serge uniform with gaiters. Equipment would have been the 191 Pattern ?equipment for Seamen? which included a revolver with its special ammunition pouch with loops , which were designed for ready-use rounds.
This officer has two chevrons which indicate eight years of unblemished service.