Marine Motivation Marine Corps Lt. Col. James S. Tanis leads a motivational run at Marine Corps Air Station Yuma, Ariz., May 25, 2018, to kick off the Memorial Day 96-hour liberty period. Marine Corps photo by Sgt. Allison Lotz SHARE IMAGE: Download Image: Full Size (2.61 MB) Photo By: Sgt. Allison Lotz VIRIN: 180525-M-MJ974-0033D.JPG Photo Gallery