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 last US light tank was the M-41 Walker Bulldog, used by the ARVN (South Vi â¦ etnamese Army) during the Vietnam War. The last US medium tanks were the M-46, M-47, M-48, and M-60 Patton tanks...the M-46 saw action in the Korean War, the M-48 saw much action in the Vietnam War, and the M-60 saw limited service with the US Marine Corps in Operation Desert Storm in January and Febuary of 1991.