MARINE CORPS AIR GROUND COMBAT CENTER TWENTYNINE PALMS, Calif. - U.S. Marine Pfc. Blake Brown with Regimental Combat Team 5 bows his head in prayer during warrior night at Enhanced Mojave Viper here June 17. 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.