Carrier battle group at the Battle of Midway. In contrast, the United States Navy deployed its large carriers in separate formations, with each carrier assigned its own cruiser and destroyer escorts. These single-carrier formations would often be paired or grouped together for certain assignments, most notably the Battle of the Coral Sea and Midway. By 1943, however, large numbers of fleet and light carriers became available, which required larger formations of three or four carriers. These groups eventually formed the Fast Carrier Task Force, which became the primary battle unit of the U.S. Fifth and Third Fleets. With the construction of the large
Task Force 44 was Royal Australian Navy Rear Admiral John Gregory Crace. From 13 June 1942 the task force was commanded by Rear Admiral Victor A.C. Crutchley of the Royal Navy. The unit saw action during the Battle of the Coral Sea, in which it helped turn back a Japanese attempt to invade Port Moresby, New Guinea. The Force was temporarily redesignated Task Group 17.3 during the battle. The task force later, under Crutchley, assisted with the initial stages of the Guadalcanal Campaign along with escorting Allied convoys around the northeast Australia, New Guinea, and Coral Sea areas. In August 1942, the force