U.S. Marine Pfc. Tyler Ren, from Allenton, Mich., provides security at an entry-control point during I Marine Expeditionary Force Exercise 2016 at Marine Corps Air Station Miramar, Calif., Aug. 17, 2016. LSE-16 is designed to enhance the command and control and interoperability between I MEF command-element staff and its higher, adjacent and subordinate command headquarters. The exercise includes cyber and electronic warfare, information support operations, and simulated and live-fire events. (U.S. Marine Corps photo by Sgt. Tia Dufour)

- Image ID: P318DP
U.S. Marine Pfc. Tyler Ren, from Allenton, Mich., provides security at an entry-control point during I Marine Expeditionary Force Exercise 2016 at Marine Corps Air Station Miramar, Calif., Aug. 17, 2016. LSE-16 is designed to enhance the command and control and interoperability between I MEF command-element staff and its higher, adjacent and subordinate command headquarters. The exercise includes cyber and electronic warfare, information support operations, and simulated and live-fire events. (U.S. Marine Corps photo by Sgt. Tia Dufour)
AB Forces News Collection / Alamy Stock Photo
Image ID: P318DP