MARINE CORPS AIR GROUND COMBAT CENTER TWENTYNINE PALMS,

MARINE CORPS AIR GROUND COMBAT CENTER TWENTYNINE PALMS, Calif. - U.S. Marines with the Regimental Combat Team 5 Personal Security Detachment listen to a brief before conducting a grenade range during Enhanced Mojave Viper here June 12. As the first regimental combat team to participate in EMV, RCT-5 will fine tune its command and control capabilities during this combined arms exercise.