Share This Article 1. In 1967 the US Embassy in South Vietnam reported this many Viet Cong assassinations in that year. 500 2,700 900 1,800 2. These two states were admitted to the Union in 1912. New Mexico and Arizona Wyoming and Idaho Colorado and Montana Utah and Nevada 3. The hand mortar of 17th and 18th Century Europe is a primitive version of this modern weapon. Thigh mortar Grenade launcher Multi-barrel rifle Rocket launcher Loading …