 In February 1946 , Brown was posted to the Operations Division of the Air Training Command at Barksdale Field , Louisiana , where he served under Major General Alvin C. Kincaid and his Assistant Chief of Staff for Operations , Brigadier General Thomas C. Darcy . For the first time , Brown received a mediocre effectiveness report . In December 1946 he joined Headquarters Air Defense Command at Mitchel Field , New York , as assistant to Air Chief of Staff , Operations , and later as chief of its ROTC branch . On 1 July 1947 he became assistant deputy for operations . 
