English: Portal banner cropped from File:Flickr - Official U.S. Navy Imagery - U.S. Navy divers surface while training with the MK 16 MOD 1 underwater breathing apparatus..jpg
This file is a work of a sailor or employee of the
U.S. Navy, taken or made as part of that person's official duties. As a
work of the
U.S. federal government, it is in the public domain in the United States.