PRACTICE, PRACTICE Navy Seaman Ricardo Barrow practices his land navigation skills during a Navy Expeditionary Combat Skills School training exercise, Gulfport, Miss., Oct. 9, 2008. The school is designed to build basic-level battlefield competence for sailors from the newly formed Navy Expeditionary Combat Command. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 774563-N-TYU70-340.jpg Photo Gallery