Twilight Empire: Fifty Years of Blunders

Nothing was learned in Vietnam
Next year marks the fiftieth "anniversary" of the U.S. invasion of Vietnam. Vietnam is called the "10,000 Day War", because the French and Australians had been fighting insurgency in that country long before the U.S. got involved.

The Soviets had their denouement in Afghanistan from 1979 to 1989, immediately after which the Soviet Empire collapsed. Of course, the British had three failed wars in Afghanistan long before the Soviets, prior to the dissolution of that empire. None of this "history" deterred the Milton Bradley strategists in the Pentagon from trying their own fiasco...

The Fall of Saigon 1975
This is what a "hastened departure" looks like: