Our picture shows US Navy Seaman Luke Jacobs, a student with Basic Reconnaissance Course (BRC), Advanced Infantry Training Battalion, School of Infantry – West, preparing to step off at the start of a land navigation evaluation as part of the course’s individual skills phase at Marine Corps Base Camp Pendleton, California. Students must remain 50 metres apart from each other and locate ten points on their own. The image was issued from Camp Pendleton, California on 15 January.