Keywords: Voice tube.jpg 050416-N-5517C-109 Pacific Ocean April 16 2005 “ Chief Quarter Master Michael Kerr the craft master of the Assault Craft Unit One ACU-1 communicates to his crew members through a voice tube ACU-1 is based out of North Island San Diego Calif U S Navy photo by Photographer ™s Mate Airman Matthew Clayborne RELEASED Sprachrohr auf einem Schiff http //www navy mil/view_image asp id 23748 2005-04-16 Matthew Clayborne PD-USGov-Military-Navy ImageNote 1 20 156 150 99 2265 1500 2 Amphibious Assault Vehicle ImageNoteEnd 1 ImageNote 2 408 158 113 71 2265 1500 2 Amphibious Assault Vehicle ImageNoteEnd 2 ImageNote 3 770 153 85 65 2265 1500 2 Amphibious Assault Vehicle ImageNoteEnd 3 ImageNote 4 982 150 88 62 2265 1500 2 Amphibious Assault Vehicle ImageNoteEnd 4 Speaking tubes Landing craft utility Photos taken with Nikon D2H Beaches of California |