U.S. Marine Corps officer candidates brave winter weather conditions. U.S. Marine Corps officer candidates from Charlie Company brave winter weather conditions during a four-mile hike at Marine Corps Base Quantico, Va., on Jan. 27, 2009. Candidates are evaluated on their leadership abilities and problem solving skills. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 890848-Q-ZZS12-299.jpg Photo Gallery