▁Columbia ▁University , ▁New ▁York . ▁A ▁phot ography ▁school ▁at ▁Lang ley ▁Field ▁was ▁also ▁developed . ▁ ▁Because ▁the ▁United ▁States ▁was ▁in ▁World ▁War ▁I ▁only ▁for ▁a ▁year ▁and ▁a ▁half ▁and ▁entered ▁it ▁so ▁un prep ared , ▁only ▁about ▁ 1 , 0 0 0 ▁of ▁the ▁ 1 1 , 0 0 0 ▁av i ators ▁trained ▁during ▁the ▁war ▁were ▁actually ▁involved ▁in ▁operations ▁against ▁the ▁enemy . ▁Most ▁of ▁these ▁operations ▁consisted ▁of ▁art illery ▁observation ▁or ▁air - to - air ▁combat . ▁Rap id ▁dem obil ization ▁followed ▁the ▁end ▁of ▁World ▁War ▁I , ▁and ▁many ▁of ▁these ▁flying ▁schools ▁were ▁closed ▁and ▁turned ▁over ▁to ▁local ▁authorities ▁as ▁air ports , ▁although ▁some ▁remained ▁in ▁service ▁though ▁the ▁ 1 9 2 0 s , ▁ ▁World ▁War ▁II , ▁and ▁into ▁the ▁modern ▁era . ▁ ▁F lying ▁Field s ▁( Un ited ▁States ) ▁ ▁A viation ▁Section , ▁U . S . ▁Air ▁Service ▁▁ ▁Baker ' s ▁Field ▁ ▁Ro chester , ▁New ▁York ▁▁▁▁▁ ▁United ▁States ▁Aer ial ▁School ▁of ▁Phot ography , ▁East man ▁K od ak ▁Park , ▁Techn ical ▁Training ▁ ▁Baker ' s ▁Field : ▁Aer ial ▁phot ography ▁training ▁▁ ▁Bar ron ▁Field ▁( C amp ▁Tal ia fer ro ▁Field ▁# 2 ) ** ▁ ▁Ever man , ▁Texas ▁▁▁▁▁▁ ▁N amed ▁after ▁Cad et ▁R . ▁J ▁Bar ron ▁ ▁Const ruction ▁started ▁ 1 8 ▁September ▁