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.
Answer Wiki. The most produced tank in history is the Soviet T-54/55 Medium/Main Battle Tank. The estimations on the numbers built range from 86,000â100,000+ over the span of 1946â1983.
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.