A commando with a Dominican Republic counterterrorism unit known as Secretaria De Las Fuerzas Armadas Commando Especial Contra Terrorismo, posts rear security during close quarter battle training at Ciudad Del Niño here, March 10. A team of Marines with Marine U.S. Marine Corps Forces, Special Operations Command, trained the commandos as part of U.S. Southern Command, Special Operations Command-South’s Exercise FUSED RESPONSE. - A commando with a Dominican Republic counterterrorism unit known as Secretaria De Las Fuerzas Armadas Commando Especial Contra Terrorismo, posts rear security during close quarter battle training at Ciudad Del Niño here, March 10. A team of Marines with Marine U.S. Marine Corps Forces, Special Operations Command, trained the commandos as part of U.S. Southern Command, Special Operations Command-South’s Exercise FUSED RESPONSE.