>>151851377
Another good example

Beamer was HC of VT 1987-2015

VT was at its peak 1995-2009 when he was age 49-63
>(15 years, 13 Top20 finishes, 10 Top15, 7 Top10)

But age 63-69, his VT program steadily declined and then he announced his retirement as winningest active coach in Division I FBS with 280 career victories and took a position in the Athletic Dept

Again, the mandatory retirement age for U.S. military generals and officers is 64