U.S. Coast Guard Lt. Cmdr. Robert Tucker, from the office of aviation forces, provides an operation status and position report to U.S. Coast Guard Atlantic Area Command Center about the J2F-4 Grumman Duck mission on a glacier near Koge Bay, Greenland, Aug. 1, 2013. Tucker is the team leader for the U.S Coast Guard, who is working with the Joint POW/MIA Personnel Accounting Command and the North South Polar expedition team to locate the missing WWII aircraft. U.S. Coast Guard photo by Petty Officer 2nd Class Jetta H. Disco.