Corpsmen assist an acting casualty and a simulated infant. A Pre-deployment Mass Casualty Care Course was held to ensure medical operational forces maintain clinical sustainment and combat readiness at Camp Pendleton's Tango Training Area, Aug 8. - Corpsmen assist an acting casualty and a simulated infant. A Pre-deployment Mass Casualty Care Course was held to ensure medical operational forces maintain clinical sustainment and combat readiness at Camp Pendleton's Tango Training Area, Aug 8.