Marines with I Marine Expeditionary Force and sailors with 553 Cyber Protection Team, monitor network activity during I MEF Large Scale Exercise 2016 (LSE-16) at Marine Corps Air Station Miramar, Calif., Aug 22, 2016. The overall purpose of the exercise was to practice the deployment of a fighting force of more than 50,000 military personnel to a partner nation and incorporate both live-fire and simulated combat scenarios against a near-peer enemy force. 553-CPT is a team of cyber defense specialists with Fleet Cyber Command. The team advised I MEF while setting up the command element’s networks.