Lance Cpl. Michael King, a Range/Training Areas Maintenance Section worker, saws plywood to be used for constructing a trench at Combat Center Range 400 Jan. 15. Units participating in Mojave Viper, the base’s 30-day pre-deployment training package, use Range 400 to practice coordinating platoon and company-sized attacks against enemy objectives using a combined force of infantry, mortars and machine guns. RTAMS maintains these ranges and began duplicating them Dec. 11 so multiple infantry battalions can train simultaneously. - Lance Cpl. Michael King, a Range/Training Areas Maintenance Section worker, saws plywood to be used for constructing a trench at Combat Center Range 400 Jan. 15. Units participating in Mojave Viper, the base’s 30-day pre-deployment training package, use Range 400 to practice coordinating platoon and company-sized attacks against enemy objectives using a combined force of infantry, mortars and machine guns. RTAMS maintains these ranges and began duplicating them Dec. 11 so multiple infantry battalions can train simultaneously.