MARCH 1--Operation Frostbite--Midway with elements of Air Group 74 on board, and accompanied by three destroyers, left Norfolk under command of Rear Admiral John H. Cassady to conduct cold weather tests in Davis Strait. In the period 7-22  March, these units operated as a carrier task force off the coast of Labrador and above the Arctic Circle, conducting flight operations with World War II type aircraft and the newer F8F Bearcat, the combination prop and jet FR-1 Fireball, and the HNS-1 helicopter.