U.S. Marine Corps Lance Cpl. Edwards, left, a geospatial intelligence analyst with the 2nd Intelligence Battalion, II Marine Expeditionary Force, demonstrates the use of the Topcon GR-3 global navigation satellite system to British Army Lance Cpl. Andrew R. Rawlings, a military intelligence operative with the 7 Military Intelligence Battalion, 1 Intelligence Surveillance Target Acquisition Brigade, at Camp Lejeune, N.C., Sept. 13, 2014, as part of Phoenix Odyssey, a weeklong bilateral exercise.