Captain Thomas Walker hopes to find the remains of a friend shot down in Korean War . Brown died on the side of a mountain in the brutal Korean winter but Hudner made him a promise he 'd be back for him . Leader Kim Jong Un is apparently impressed by his story and ordered his military to help . U.S. governments have frozen search for bodies due to Pyongyang 's nuclear crisis . Hudner has appealed to U.S. Secretary of State John Kerry to resume search efforts .
Captain Thomas Walker hopes to find the remains of a friend shot down in Korean War . Leader Kim Jong Un is apparently impressed by his story and ordered his military to help . U.S. governments have frozen search for bodies due to Pyongyang 's nuclear crisis . Hudner has appealed to U.S. Secretary of State John Kerry to resume search efforts .