050721-N-5549O-038
Pacific Ocean (July 21, 2005) – Quartermaster 2nd Class Stephanie Hudson from Plymouth, Mass., peers through a marine sextant, a navigational instrument used to determine celestial navigation aboard USS Ronald Reagan (CVN 76). Reagan is underway in the Pacific Ocean conducting Tailored Ship’s Training Availability (TSTA). U.S. Navy photo by Photographer’s Mate 3rd Class Kevin S. O’Brien (RELEASED)