U.S. Army Spc. Aaron Blasingame, from 4th Battalion, 23rd Infantry Regiment, 5th Brigade Combat Team, 2nd Infantry Division, provides rear security inside a Stryker armored vehicle during a combat mission in Helmand province, Afghanistan, on Jan. 15, 2010. The Army uses the Stryker in its day-to-day operations because of its unique combination of maneuverability and firepower.