The Flickr Scotthulsizer Image Generatr

Cpl. Casey O. Johnson, left, and Cpl. Nate Hitchcock carry their Diving Propulsion Device into the water to begin their dive Jan. 22, during a certification course to learn how to drive the DPD at Marine Corps Base Kaneohe Bay, Hawaii. The DPD is a battery-powered vehicle capable of carrying two divers and their gear while submersed out of sight. The course was a part of exercise Sandfisher 2014. Johnson and Hitchcock are reconnaissance men with Company B, 3rd Reconnaissance Battalion, 3rd Marine Division, III Marine Expeditionary Force. (U.S. Marine Corps photo by Cpl. Brandon Suhr/Released)

Cpl. Peter E. Kober, left, and Sgt. Scott A. Hulsizer carry their diver propulsion device into the water to begin their dive Jan. 22, during a certification course at Marine Corps Base Kaneohe Bay, Hawaii. The DPD is a battery-powered vehicle capable of carrying two divers and their equipment while submersed out of sight. The course was a part of Exercise Sandfisher 2014. Kober and Hulsizer are reconnaissance men with Company B, 3rd Reconnaissance Battalion, 3rd Marine Division, III Marine Expeditionary Force. (Photo by Cpl. Brandon Suhr)

Marines prepare their diving equipment prior to entering the water with Diving Propulsion Devices Jan. 22, during a certification course to learn how to drive the DPD at Marine Corps Air Station Kaneohe Bay, Hawaii. The DPD is a battery-powered vehicle capable of carrying two divers and their gear while submersed out of sight. The course was a part of exercise Sandfisher 2014. The Marines are reconnaissance men with Company B, 3rd Reconnaissance Battalion, 3rd Marine Division, III Marine Expeditionary Force. (U.S. Marine Corps photo by Cpl. Brandon Suhr/Released)

Cpl. Casey O. Johnson, left, and Cpl. Nate Hitchcock carry their Diving Propulsion Device into the water to begin their dive Jan. 22, during a certification course to learn how to drive the DPD at Marine Corps Base Kaneohe Bay, Hawaii. The DPD is a battery-powered vehicle capable of carrying two divers and their gear while submersed out of sight. The course was a part of exercise Sandfisher 2014. Johnson and Hitchcock are reconnaissance men with Company B, 3rd Reconnaissance Battalion, 3rd Marine Division, III Marine Expeditionary Force. (U.S. Marine Corps photo by Cpl. Brandon Suhr/Released)

Marines observe and prepare their diving equipment prior to beginning their course to become certified to drive a Diving Propulsion Device Jan. 18, at Marine Corps Air Station Kaneohe Bay, Hawaii. The DPD is a battery-powered vehicle capable of carrying two divers and their gear while submersed out of sight. The course was a part of exercise Sandfisher 2014. The Marines are reconnaissance men with Company B, 3rd Reconnaissance Battalion, 3rd Marine Division, III Marine Expeditionary Force. (U.S. Marine Corps photo by Cpl. Brandon Suhr/Released)

Cpl. Casey O. Johnson tests his diving equipment for any leaks prior to beginning the course to become certified to drive a Diving Propulsion Device Jan. 18, at Marine Corps Base Kaneohe Bay, Hawaii. The DPD is a battery-powered vehicle capable of carrying two divers and their gear while submersed out of sight. The course was a part of exercise Sandfisher 2014. Johnson is a reconnaissance man with Company B, 3rd Reconnaissance Battalion, 3rd Marine Division, III Marine Expeditionary Force. (U.S. Marine Corps photo by Cpl. Brandon Suhr/Released)

Cpl. Levi J. Owens operates his diver propulsion device Jan. 22, during a certification course at Marine Corps Base Kaneohe Bay, Hawaii. The DPD is a battery-powered vehicle capable of carrying two divers and their gear while submersed out of sight. The course was a part of Exercise Sandfisher. Owens is a reconnaissance man with Company B, 3rd Reconnaissance Battalion, 3rd Marine Division, III Marine Expeditionary Force. Photo by Cpl. Brandon Suhr

Marines prepare their diving equipment prior to entering the water with Diving Propulsion Devices Jan. 22, during a certification course to learn how to drive the DPD at Marine Corps Air Station Kaneohe Bay, Hawaii. The DPD is a battery-powered vehicle capable of carrying two divers and their gear while submersed out of sight. The course was a part of exercise Sandfisher 2014. The Marines are reconnaissance men with Company B, 3rd Reconnaissance Battalion, 3rd Marine Division, III Marine Expeditionary Force. (U.S. Marine Corps photo by Cpl. Brandon Suhr/Released)

Cpl. Nate Hitchcock attempts a tactical peek with his Diving Propulsion Device Jan. 19, during a certification course to learn how to drive the DPD at Marine Corps Base Kaneohe Bay, Hawaii. The DPD is a battery-powered vehicle capable of carrying two divers and their gear while submersed out of sight. The course was a part of exercise Sandfisher 2014. Hitchcock is a reconnaissance man with Company B, 3rd Reconnaissance Battalion, 3rd Marine Division, III Marine Expeditionary Force. (U.S. Marine Corps photo by Cpl. Brandon Suhr/Released)

Marines observe and prepare their diving equipment prior to beginning their course to become certified to drive a Diving Propulsion Device Jan. 18, at Marine Corps Air Station Kaneohe Bay, Hawaii. The DPD is a battery-powered vehicle capable of carrying two divers and their gear while submersed out of sight. The course was a part of exercise Sandfisher 2014. The Marines are reconnaissance men with Company B, 3rd Reconnaissance Battalion, 3rd Marine Division, III Marine Expeditionary Force. (U.S. Marine Corps photo by Cpl. Brandon Suhr/Released)

Cpl. Casey O. Johnson, left, and Cpl. Nate Hitchcock carry their Diving Propulsion Device into the water to begin their dive Jan. 22, during a certification course to learn how to drive the DPD at Marine Corps Base Kaneohe Bay, Hawaii. The DPD is a battery-powered vehicle capable of carrying two divers and their gear while submersed out of sight. The course was a part of exercise Sandfisher 2014. Johnson and Hitchcock are reconnaissance men with Company B, 3rd Reconnaissance Battalion, 3rd Marine Division, III Marine Expeditionary Force. (U.S. Marine Corps photo by Cpl. Brandon Suhr/Released)

Cpl. Levi J. Owens operates his diver propulsion device Jan. 22, during a certification course at Marine Corps Base Kaneohe Bay, Hawaii. The DPD is a battery-powered vehicle capable of carrying two divers and their gear while submersed out of sight. The course was a part of Exercise Sandfisher. Owens is a reconnaissance man with Company B, 3rd Reconnaissance Battalion, 3rd Marine Division, III Marine Expeditionary Force. Photo by Cpl. Brandon Suhr

Cpl. Peter E. Kober, left, and Sgt. Scott A. Hulsizer carry their diver propulsion device into the water to begin their dive Jan. 22, during a certification course at Marine Corps Base Kaneohe Bay, Hawaii. The DPD is a battery-powered vehicle capable of carrying two divers and their equipment while submersed out of sight. The course was a part of Exercise Sandfisher 2014. Kober and Hulsizer are reconnaissance men with Company B, 3rd Reconnaissance Battalion, 3rd Marine Division, III Marine Expeditionary Force. (Photo by Cpl. Brandon Suhr)

Cpl. Casey O. Johnson tests his diving equipment for any leaks prior to beginning the course to become certified to drive a Diving Propulsion Device Jan. 18, at Marine Corps Base Kaneohe Bay, Hawaii. The DPD is a battery-powered vehicle capable of carrying two divers and their gear while submersed out of sight. The course was a part of exercise Sandfisher 2014. Johnson is a reconnaissance man with Company B, 3rd Reconnaissance Battalion, 3rd Marine Division, III Marine Expeditionary Force. (U.S. Marine Corps photo by Cpl. Brandon Suhr/Released)