Coast Guardsman Earns Coveted Credential Coast Guard Lt. Cmdr. Matt Walter, in his office at Coast Guard headquarters in Washington, is one of only 2,738 people to have earned an international emergency management credential. Coast Guard photo by Walter Ham SHARE IMAGE: Download Image: Full Size (0.88 MB) Tags: Coast Guardsmen, Face of Defense, Coast Guard Photo By: Walter Ham VIRIN: 180724-G-ZZ999-001.JPG Photo Gallery