A student attending the U.S. Navy Special Operations Corpsman Preparatory program swims laps during a physical training session at the Aquatic Center pool on Joint Base San Antonio - Fort Sam Houston, Texas, Aug. 12, 2013. The SOCP program is a 96-day course required for candidates applying for programs such as Special Amphibious Reconnaissance Corpsmen, Dive Medical Technician or Search and Rescue. (U.S. Air Force photo by Airman 1st Class Krystal Ardrey/Released)