The answer to your question is YES. There are two reasons why that is: the Viet Nam War and the 26th Amendment to the Constitution, which lowered the voting age from 21 to 18 in 1971. This allowed 18 year olds to enter into legal contracts without parental consent.
tank. 1. a large container or structure for holding a liquid or gas. 2. an armored combat vehicle, moving on caterpillar treads and usu. armed with a cannon mounted inside a rotating turret. 3. a prison cell for more than one occupant, esp. for groups of new prisoners. 4. a natural or artificial pond, esp. for storing water.
A tank is a tracked, armoured combat vehicle (armoured fighting vehicle), designed primarily to engage enemy forces by the use direct fire. A modern main battle tank (MBT) is distinguished by its high level of firepower, mobility and armour protection relative to other vehicles of its era.he first successful use of massed tanks in combat occurred at the Battle of Cambrai on November 20, 1917. The tank would eventually make trench warfare obsolete, and the thousands of tanks fielded by French and British forces made a significant contribution to the war.