 Complete the following phrase:  The formation of the RAF Regiment in February 1942 in response to the Armys failure to defend airfields on Crete, which resulted in strategic defeat on the island to numerically inferior German forces signalled the transfer of responsibility for defending airfields to the RAF from the Army. This included low-level air defence and the Bofors L60to the same design as the Army versionwas the principal weapon for the RAF Regiments Light Anti-Aircraft squadrons in North Africa, Malta, Italy, the Balkans, the UK including the allocation of fifty-two squadrons to Operation DIVER, and North Western Europe from D-Day through to the cessation of hostilities. No 2875 Squadron RAF Regiment, employing the L60, became the first unit to shoot down a jet aircraft, a Me 262, with ground-based anti-aircraft fire, at Helmond in the Netherlands on 28 November 1944. Although the Allied air forces had achieved air superiority after D-Day, forward airfields continued to be high priority targets for the Luftwaffe when the opportunity presented and this ensured that the RAF Regiments L60s continued to be heavily used. For example, during the 