 The unit was organized in November 1921 from the Observation Squadron, New York National Guard, which had been organized on 22 March 1921 at Hempstead, New York, with personnel from K Company, 14th Infantry, New York National Guard.It was reorganized and federally recognized in November 1922 at Miller Field on Staten Island and redesignated as the "102nd Observation Squadron" in January 1923.During the inter-war years, the 102nd Observation Squadron flew a variety of aircraft but continued to serve as the aerial eyes for the Commander of the 27th Infantry Division, New York National Guard.