 Complete the following phrase:  With the second combat airfield becoming operational and within striking range of the Japanese garrison on Attu, the Japanese forces on Kiska were put into an untenable situation. From its bases on Amchitka and Adak, Eleventh Air Force conducted continual bombing raids on the Japanese on Kiska and Attu. Additional long-range B-24 Liberator heavy bombers were moved down from mainland Alaskan bases to operate in the Aleutians, which enabled Air Force commanders to send the bombers with full loads to Attu, while B-25 Mitchell and B-26 Marauder medium bombers attacked Kiska several times each day. Air support for the 