Keywords: 120320-N-HN353-089 (6859786746).jpg U S Sailors assigned to Naval Mobile Construction Battalion NMCB 74 defend a helicopter landing zone during a field training exercise at Camp Shelby Miss March 20 2012 Sailors with NMCB-74 participated in realistic training scenarios in preparation for a scheduled deployment DoD photo by Mass Communication Specialist 2nd Class Ernesto Hernandez Fonte U S Navy/Released https //www flickr com/photos/39955793 N07/6859786746/ 120320-N-HN353-089 2012 03 20 07 42 https //www flickr com/people/39955793 N07 U S Department of Defense Current Photos PD-USGov-Military-Navy U S Department of Defense Current Photos https //flickr com/photos/39955793 N07/6859786746 2016-09-03 11 53 18 United States Government Work Camp Shelby Mississippi |