"Sustainers play a huge role in shaping the battlefield. We sustain the force and are ready to fight when needed. You never know when you may be called upon to take up a rifle."

-SSG Donald Parker, combat engineer, Headquarters and Headquarters Comp...

"Sustainers play a huge role in shaping the battlefield. We sustain the force and are ready to fight when needed. You never know when you may be called upon to take up a rifle."

-SSG Donald Parker, combat engineer, Headquarters and Headquarters Company, 84th Engineer Battalion, on the challenges in sustainment.

(Photo by U.S. Army 1LT John Howard)