A young student on board the Military Sealift Command (NSC) oceanographic survey ship USNS KANE (T-AGS-27) uses a sextant to check the ship's position as part of navigational instruction during a phase of Project Marco Polo. During this project, sponsored by the public affairs office of the Oceanographer of the Navy, Washington, D.C. and the National Geographic Society, young students and their teachers and professors receive hands on experience on board a Navy vessel