 It was reformed on 4 December 1921, as the 105th Observation Squadron, and is one of the 29 original National Guard Observation Squadrons of the United States Army National Guard formed before World War II.The 105th Airlift Squadron traces its origins to 27 August 1917 with the organization of the 105th Aero Squadron at Kelly Field, Texas.There, the squadron was assigned to indoctrination training, with the men taken up by drills, hikes, physical training and other exercises.