P.M.C.S.
P. M. C. S. is the reason why soldiers know more about engines than they do about their exes.
The soldier got yelled at for skipping P. M. C. S. and now the truck won’t start.
The tank passed P. M. C. S. but the driver failed the test.
They did P. M. C. S. on the jet and it turned out the pilot was the problem.