Airman 1st Class Lawrence La Strape watches his rates of breathing on a computer monitor during a fit test at Whiteman Air Force Base, Mo., Oct. 3. La Strape was monitored by Airman 1st Class Joseph Flowers, 509th Medical Operations Squadron bioenvironmental engineer, who ensured breathing rates were within acceptable ranges. (U.S. Air Force photo/Senior Airman Cody H. Ramirez)(RELEASED)