Team Shaw members begin the Murph Challenge at Shaw Air Force Base, S.C., May 24, 2018. The first segment of the workout was a mile run wearing a weighted vest. The purpose of the weighted vest is to simulate combat gear in a deployed environment.

- Image ID: PFRK4K
Team Shaw members begin the Murph Challenge at Shaw Air Force Base, S.C., May 24, 2018. The first segment of the workout was a mile run wearing a weighted vest. The purpose of the weighted vest is to simulate combat gear in a deployed environment.
RP Images / Alamy Stock Photo
Image ID: PFRK4K