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.
The British had most of the tanks on D-Day; a new American tank designed to float in to shore like a motorboat hadn't worked out. Most of them sank. But right behind the British beaches were the suburbs of Caen, a dense Norman city of sturdy stone houses that might have been deliberately designed to frustrate tank men.