▁a ▁flight ▁training ▁center ▁under ▁the ▁direction ▁of ▁the ▁Air ▁Service ▁which ▁had ▁and ▁administration ▁center ▁near ▁what ▁is ▁now ▁the ▁Will ▁Rod gers ▁Memorial ▁Center ▁in ▁Fort ▁W orth , ▁Texas . ▁ ▁F lying ▁air fields ▁consisted ▁of ▁H icks ▁Field ▁near ▁S ag ina w ▁Texas ▁where ▁US ▁flight ▁cad ets ▁and ▁Canadian ▁aer ial ▁g unn ery ▁students ▁trained , ▁Canadian ▁and ▁British ▁cad ets ▁trained ▁at ▁Bar ron ▁Field ▁in ▁Ever man ▁and ▁at ▁Car r uth ers ▁Field ▁in ▁Ben bro ok . ▁ ▁From ▁ 1 9 1 7 ▁to ▁ 1 9 1 8 ▁British ▁Royal ▁F lying ▁Corps ▁instruct ors ▁trained ▁ 6 0 0 0 ▁flight ▁cad ets ▁at ▁the ▁facilities ▁making ▁up ▁Camp ▁Tal ia fer ro . ▁ ▁Bal lo on ▁Ob ser vers ▁School s ▁▁ ▁Fort ▁O ma ha ▁ ▁O ma ha , ▁Neb r aska ▁▁▁▁ ▁Est ab lished ▁March ▁ 1 9 1 7 , ▁ ▁P erman ent ▁post , ▁United ▁States ▁Army ▁Bal lo on ▁School ▁( for ▁training ▁bal lo on ▁obser vers ▁only ) ▁▁ ▁Ross ▁Field ▁ ▁Arc ad ia , ▁California ▁▁▁ ▁N amed ▁after ▁ 2 d ▁Lieutenant ▁Cle o ▁J . ▁Ross ▁▁ ▁Field ▁established ▁ 3 ▁June ▁ 1 9 1 8 ▁ ▁P erman ent ▁military ▁res ervation ▁ ▁School ▁for ▁En list ed ▁Bal lo on ▁Special ists ▁ ▁School ▁for ▁Bal lo on ▁Company ▁Command ers ▁and ▁Ob ser vers ▁▁ ▁Camp ▁John ▁W