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.
The climax of Operation Citadel, the Battle of Kursk, involved as many as 6,000 tanks, 4,000 aircraft and 2 million fighting men and is remembered as the greatest tank battle in history. The high-water mark of the battle was the massive armor engagement at Prochorovka (also spelled Prokhorovka), which began on July 12.