At the Quebec Conference of September 1944, the British Prime Minister Winston Churchill proposed to transfer a large part of Bomber Command to the Pacific, comprising from 500 to 1,000 heavy bombers, once Germany was defeated. US President Franklin D. Roosevelt accepted the offer, stating that a "long and costly struggle" still lay ahead of the Allies. The offer made at the Second Quebec Conference in September 1944 was for forty squadrons of long-range bombers, of which 20 would act as tankers in flight; to operate against the inner zone and Japan. The Air Ministry prepared a provisional plan for three Groups, each of 12 squadrons of heavy bombers and 6 squadrons of long-range fighters. Air Marshal Sir Hugh Lloyd was designated commander in November 1944. It was expected that American bases would be used, but they said their resources were stretched and asked that the Brits provide their own bases. In March 1945 the only area for bases was northern Luzon in the Philippines. Estimates were that a base in the Calgayan Valley for 20 squadrons of heavy bombers and three squadrons of support aircraft would require 56,000 men to build and develop it, with 19,000 retained thereafter. But the Americans had more facilities on Okinawa than expected, and on 30 May offered bases there for ten British squadrons immediately. This was accepted by the British Chiefs of Staff on 4 June, and on the 11th their advisors said that the new base would require 37,400 men, 15,000 for operations and the rest for construction and administration On 14 June the Chiefs of Staff decided to send ships without waiting for the Americans to supply the Pacific routing. A cargo ship left Liverpool on the 20th with vehicles and stores, and a faster ship left on 7 July with 3000 men. The proposed force was soon scaled back to 22 squadrons in three groups: one British Royal Air Force, one Royal Canadian Air Force and one from various air forces. By late 1945 this had been scaled back to 10 squadrons in two composite groups, made up of RAF, RCAF, Royal Australian Air Force and Royal New Zealand Air Force squadrons. Tiger Force was to have been based on Okinawa and would have used Avro Lancasters, Avro Lincolns and Consolidated Liberators. Two RAF fighter squadrons had begun converting to the new Hawker Tempest II at RAF Chilbolton, in order to perform escort duties, when the war ended. Escorts would also have been available from the fighter units of the U.S. Far East Air Force, the Australian First Tactical Air Force and/or other Commonwealth units. The colour scheme for Tiger Force aircraft was white upper-surfaces with black undersides; this scheme, developed to reflect sunlight and thus lower the internal temperatures in the tropical heat, despite the cancellation of operations against Japan, was apparent on many post-war Lancasters and Lincolns. To enable the aircraft to operate at the long distances involved, flight refuelling using Liberator tankers was to have been employed, using equipment developed by Flight Refuelling Ltd. Tiger Force was officially disbanded on October 31, 1945, by which stage it included only British units.
