The federal definition of MI for PASRR is best understood in terms of the four âDâsâ: 1  A diagnosis or suspicion of a major mental illness such as schizophrenia, bipolar disorder, major depression, or an anxiety disorder such as OCD. 2  An absence of dementia. 3  A well-defined duration.  A particular level of disability.
Well-known World War II tanks were the German Panzer IV, Panther and Tigers, Soviet T-34 (produced in the largest numbers of any tank of the war and second most ever), British Matilda, Churchill and Cromwell, and American M4 Sherman (second most produced tank of the war) and Stuart tanks.
Cunningham, an automobile company, built the next model. The T1 Light Tank of 1927 was a 7.5-ton vehicle powered by a 105-horsepower engine, giving it a speed of 20 mph. The engine was in front, with the drive in the rear. Its turret mounted a .30-caliber machinegun.