-unitedstates 1976-2004 2001 2001- 2003-2011 afghanistan afghanwar armedforces biography casualties civilianwarcasualties disabilityevaluation disabledveterans footballplayers governmentpolicy iraqwar lawandlegislation medicalcare mothersofwarcasualties operationenduringfreedom pat pictorialworks soldiers statistics tillman unitedstates