Pettengill was a 23-year-old vet who had planned to make the army a career, but then he got a severe back injury in Iraq, and that forced him to take a medical discharge.
Pettengill je bio 23-godišnji veteran koji je planirao napraviti karijeru u vojsci ali onda je imao tešku ozljedu leđa u Iraku, i to ga je prisililo da zatraži medicinski otpust.