US Navy Engineman 2nd Class Anthony Bartelli (right) holds an

Download this stock image: US Navy Engineman 2nd Class Anthony Bartelli (right) holds an underwater speaker called a bone phone to US Navy Hull Technician 1ST Class Patrick Wheeler's head so he can experience the sounds and characteristic of a pinger locator prior to his dive. Wheeler (center) and Bartelli are both attached to the submarine tender USS EMORY S. LAND (AS 39) (not shown), and are diving with the Navys salvage and rescue ship USS GRASP (ARS 51) as part of an augmentation crew to support 24-hour diving operations. Boatswains Mate CHIEF Donald Dennis, from Charleston, South Carolina, stationed aboard the - 2M8M5R7 from Alamy's library of millions of high resolution stock photos, illustrations and vectors.

US Navy Engineman 2nd Class Anthony Bartelli (right) holds an underwater speaker called a bone phone to US Navy Hull Technician 1ST Class Patrick Wheeler's head so he can experience the sounds

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Chief Boatswain's Mate and Engineman 2nd Class during the launch of the unmanned aerial vehicle (UAV) during the UAV training exercise Stock Photo - Alamy

US Navy Engineman 2nd Class, Diver, Anthony Bartelli walks on the bottom. One hundred and twenty feet above him is the US Navys salvage rescue ship USS GRASP (ARS 51) (not shown)

US Navy Hull Technician 1ST Class Patrick Wheeler (right) listens to last-minute instructions on the pinger locator before starting his next dive. Wheeler is assigned to the submarine tender USS EMORY S. LAND (AS 39), and is diving from the Navys

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MASTER Diver, US Navy Boatswains Mate CHIEF Donald Dennis, assigned as MASTER-Diver on board the US Navys salvage ship USS GRASP (ARS 51), checks red diver's EGS (Emergency Gas System) valve. Prior

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