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.
From the late World War Two mayhem of the Battle of the Bulge â which saw over 3,000 tanks take part in fighting â to the 1981 Battle of Dezful between Iran and Iraq, the tank has played a major part in offensives around the world. Join us as we take a look at the 10 most epic tank battles in military history. 10.