SCAT was formally organized around MAG-25 in late November 1942 at the direction of Vice Admiral Aubrey Fitch, and by the end of the Guadalcanal campaign it included VMJ-152 and SMS-25 of the Marine Corps and the USAAF 801st Medical Air Evacuation Squadron.

[3] SCAT provided rapid transport of personnel and cargo, including munitions, food, replacement parts, and medical supplies, to and from forward areas.

On rearward flights SCAT frequently provided aeromedical evacuation of wounded or sick personnel.

[4] MAG-25, including the attached 13th Troop Carrier Squadron, was awarded the Distinguished Unit Citation as part of the 1st Marine Division (Reinforced) for the Guadalcanal campaign.

SCAT received a Navy Unit Commendation for its operations in the South Pacific from December 1942 to July 1944.