And yes it was of the black one with a red band at the front. ...
the pic source:
wondering about the flares in a wellington bomber
USNBD, British Bombs and Fuzes, Pyrotechnics, Detonators; Section I - British Bombs and Pyrotechnics; Flares & Photoflash Bombs: 5.5 Reconnaissance Flare Mk II
the pic source:
wondering about the flares in a wellington bomber
USNBD, British Bombs and Fuzes, Pyrotechnics, Detonators; Section I - British Bombs and Pyrotechnics; Flares & Photoflash Bombs: 5.5 Reconnaissance Flare Mk II