▁remain ▁close ▁to ▁his ▁bi ological ▁mother ▁well ▁into ▁his ▁ad ul th ood . ▁ ▁He ▁attended ▁K em per ▁Military ▁School ▁and ▁Iowa ▁State ▁College ▁of ▁Agricult ure ▁and ▁Mechan ic ▁Arts ▁at ▁Am es . ▁ ▁His ▁father ▁was ▁elected ▁a ▁Mont ana ▁State ▁Senator ▁in ▁ 1 9 0 6 ▁for ▁one ▁term ▁in ▁the ▁Democratic ▁Party . ▁Meanwhile , ▁young ▁Will is ▁B . ▁Hav il and ▁en list ed ▁in ▁the ▁United ▁States ▁Navy ▁from ▁ 1 9 0 7 – 1 9 1 1 . ▁When ▁war ▁broke ▁out ▁in ▁Europe , ▁Will is ▁joined ▁the ▁American ▁Field ▁Service ▁( American ▁Am bul ance ▁Cor p , ▁nick named ▁" Fri ends ▁of ▁France ") ▁in ▁ 1 9 1 5 . ▁There ▁he ▁drove ▁amb ul ances ▁for ▁sevent een ▁months ▁at ▁the ▁Als ace ▁front . ▁When ▁the ▁Field ▁Service ▁and ▁American ▁Am bul ance ▁sever ed ▁t ies ▁in ▁the ▁summer ▁of ▁ 1 9 1 6 , ▁Will is ▁received ▁a ▁pilot ' s ▁license ▁on ▁ 7 ▁September ▁in ▁that ▁year ▁and ▁entered ▁the ▁American ▁Esc adr ille ▁( so on ▁after ward ▁renamed ▁La f ay ette ▁Esc adr ille ) ▁becoming ▁the ▁six teenth ▁American ▁volunte er ▁pilot ▁in ▁the ▁squad ron . ▁ ▁A viation ▁career ▁Will is ▁Brad ley ▁Hav il and ▁was ▁primarily ▁an ▁esc ort ▁and ▁reconna issance ▁pilot ▁in ▁the ▁La f ay ette ▁Esc adr ille , ▁and ▁occasionally ▁was ▁assigned ▁a ▁bomb