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.
M4 Sherman - Overview: The iconic American tank of World War II, the M4 Sherman was employed in all theaters of the conflict by the US Army and Marine Corps, as well as most Allied nations. Considered a medium tank, the Sherman initially mounted a 75mm gun and had a crew of five.