Keywords: US Navy 060829-N-9662L-058 Petty Officer 2nd Class George Berbohm receives instruction from Petty Officer 2nd Class Josef Muench on how to properly adjust the rear sight on a M16A1 machine gun at the Naval Base Guam Armory.jpg en Santa Rita Guam Aug 29 2006 - Petty Officer 2nd Class George Berbohm receives instruction from Petty Officer 2nd Class Josef Muench on how to properly adjust the rear sight on a M16A1 machine gun at the Naval Base Guam Armory Berbohm is currently in training to become a range safety officer at the Naval Base Guam gun range U S Navy photo by Petty Officer 2nd Class John F Looney RELEASED 2006-08-29 060829-N-9662L-058 Navy http //www navy mil/view_image asp id 40413 U S Navy photo by Petty Officer 2nd Class John F Looney PD-USGov-Military-Navy Naval Base Guam |