▁and ▁field ▁art illery ▁post ) ▁refused ▁to ▁rel in qu ish ▁the ▁para de ▁ground ▁for ▁further ▁flight ▁training . ▁He ▁was ▁already ▁dis gr unt led ▁because ▁the ▁tri als ▁had ▁dis rupted ▁his ▁summer ▁training ▁schedule ▁of ▁mounted ▁dr ills . ▁Moreover , ▁the ▁Wright ▁Brothers ▁expressed ▁rel uct ance ▁to ▁teach ▁beg inners ▁to ▁fly ▁on ▁the ▁small , ▁en closed ▁area . ▁ ▁Another ▁site ▁was ▁found ▁near ▁College ▁Park , ▁Maryland , ▁about ▁eight ▁miles ▁n ortheast ▁of ▁Washington , ▁D . C . ▁The ▁Sign al ▁Corps ▁agreed ▁to ▁le ase ▁the ▁site . ▁ ▁However , ▁the ▁winter ▁weather ▁meant ▁the ▁College ▁Park ▁site ▁could ▁not ▁be ▁used ▁for ▁year - round ▁training . ▁Vari ous ▁sites ▁in ▁the ▁south ▁and ▁west ▁were ▁used ▁during ▁the ▁early ▁ 1 9 1 0 s ▁at ▁Fort ▁Sam ▁Houston , ▁near ▁San ▁Antonio , ▁Texas , ▁North ▁Island , ▁San ▁Diego , ▁California , ▁and ▁August a , ▁Georgia . ▁▁ ▁However ▁flying ▁training ▁in ▁the ▁Army ▁remained ▁on ▁a ▁small ▁scale ▁until ▁the ▁USA ▁joined ▁World ▁War ▁I ▁in ▁April ▁ 1 9 1 7 . ▁ ▁In ▁February ▁ 1 9 1 3 , ▁the ▁A viation ▁School ▁cont ing ent ▁in ▁August a , ▁Georgia , ▁along ▁with ▁two ▁pil ots ▁who ▁had ▁been ▁training ▁in ▁Pal m ▁Beach , ▁Florida , ▁transferred ▁to ▁Texas ▁City , ▁Texas , ▁to ▁join ▁ground ▁forces ▁on ▁duty ▁along ▁the ▁border . ▁ ▁This ▁meant ▁that ▁the