Marines with Company E, 2nd Battalion, 4th Marine Regiment, advance up a hill while receiving simulated fire from enemy forces during an exercise here March 4. The Marines conducted helicopter raid training here March 2-6 in preparation for an upcoming deployment with the 11th Marine Expeditionary Unit later this year. - Marines with Company E, 2nd Battalion, 4th Marine Regiment, advance up a hill while receiving simulated fire from enemy forces during an exercise here March 4. The Marines conducted helicopter raid training here March 2-6 in preparation for an upcoming deployment with the 11th Marine Expeditionary Unit later this year.