Think about this - 16 years in Afghanistan

[underpants]

10. One of many.

The Afghanistan area has been invaded many times in recorded history, but no invader has been able to control all of its regions at the same time, and at some point faced rebellion. Some of the invaders in the history of Afghanistan include the Maurya Empire of ancient India, Alexander the Great of Macedon, Umar, an Arab Caliphate, Genghis Khan of Mongolia, Timur of Persia and Central Asia, the Mughal Empire of India, various Persian Empires, the British Empire, the Sikh Empire, the Soviet Union, and most recently a coalition force of NATO troops, the majority from the United States, which entered the country in the first-ever invocation of NATO's Article 5 "an attack on one is an attack on all" following the September 11 attacks in the United States.

https://en.m.wikipedia.org/wiki/Invasions_of_Afghanistan