Sergeant Major of the Marine Corps

(Tonya Smith/Marine Corps)Capt. Donovan Holloway, an intelligence officer at Marine Corps Systems Command, demonstrates a prototype version of the new physical training uniform.

Troy E. Black: The highest-ranking enlisted Marine discusses the process to recreate the workout uniform

The Marines are in the midst of a thorough testing program for something that might seem like a simple thing: A new workout uniform.

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