Construction Mechanic Second Class (CM2) (SCW/DV) David Power and MASTER CHIEF (UCCM) Michael R. Oliver prepare the coral bed alongside an underwater cable for drilling to install clamps used to stabilize the cable at the Pacific Missile Range Facility at Kauai, Hawaii

This is a collection of high-resolution scuba diving photos that you can use for free. Not only it is free to use without restrictions, but probably the largest collection of this type. Large Picryl public domain collections are made possible with aid of GetArchive's Image recognition technology.