Chief of Naval Operations Adm. Jonathan Greenert signs a sign bearing his seal while touring the Lockheed Martin undersea systems facilities in Riviera Beach. While there, Greenert viewed a littoral combat ship remote minehunting system test module and underwater autonomous vehicles. (U.S. Navy photo by Chief Mass Communication Specialist Peter D. Lawlor/Released)
<br>Unit: Navy Media Content Services
Petty Officer 1st Class Peter Lawlor
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