HONOR GUARD PRACTICE U.S. Air Force airmen from the 15th Airlift Wing honor guard practice their 21-gun salute firing positions at Hickam Air Force Base, Hawaii, Oct. 25, 2006. The base honor guard emphasizes the importance of military customs and courtesies, dress and appearance, and drill and ceremony. SHARE IMAGE: Download Image: Full Size (0.08 MB) Photo By: VIRIN: 921512-W-ADT32-814.jpg Photo Gallery