He also "humped a ruck," which carried all his gear. On top of all that, a medic or corpsman carried a medical bag, and an RTO (radio-telephone operator) humped his radio--the military's 'PRC-25,' also known as the "PRICK-25."

All of this is by way of leading up to my comment that I thought it was pretty nice of the Pentagon, especially since Mitt took such pains to avoid going to serve in the war he supported, to name the grunts' field radio after him.