Fuel pipes for war troops. The Petroleum Warfare Department PWD was an organisation established in Britain in 1940 in response to the invasion crisis during World War II, when it appeared that Germany would invade the country.

ENGLAND - CIRCA 1944: Fuel pipes for war troops. The Petroleum Warfare Department (PWD) was an organisation established in Britain in 1940 in response to the invasion crisis during World War II, when it appeared that Germany would invade the country.