A U.S. sailor dives off a rigid-hull inflatable boat during a mine countermeasure drill for exercise Open Spirit May 26, 2015 in the Baltic Sea. (photo by Patrick A. Ratcliff /US Navy via Planetpix)

- Image ID: J9Y5H3
US Navy Photo / Alamy Stock Photo
Image ID: J9Y5H3
A U.S. sailor dives off a rigid-hull inflatable boat during a mine countermeasure drill for exercise Open Spirit May 26, 2015 in the Baltic Sea.
Location: Baltic Sea