The name initially derived from the Central Landing Establishment that developed them, although this was later backronymed to Container Light Equipment.
[6] Some loads, such as radios, weren't dropped in CLE Canisters and required special containers to carry and protect them.
[3] During Operation Market Garden, for example, the colours used were red for ammunition, green for rations, white for medical supplies, blue for fuel and yellow for communication equipment.
[8] The CLE canister were also used to supply a wheelbarrow device, the Folding Trolley Airborne, known as a "Para Barra",[9][10] and also Welbikes.
As well as World War II, the canisters saw use in Operation Musketeer - the 1956 Anglo-French invasion of the Suez Canal zone.