U.S. Marine Corps photo by Cpl. Ali Azimi/Released 140204-M-KI464-314.JPG
Feb 17, 2014
Sgt. Daniel Ramirez trains at more than 6,000 feet above sea level. These are a few items he is never without when training for his next fight; his sponsor's shirt, music, beanie and gym bag. Although he trains in an area with lower oxygen levels, he uses an oxygen depravation mask to intensify his cardiovascular training.
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