Tanks and bombers can do genocide, but they can't occupy & control. We saw that throughout the past 100 years, from the RAF's attempts to do 'air policing' in

Tanks and bombers can do genocide, but they can't occupy & control. We saw that throughout the past 100 years, from the RAF's attempts to do 'air policing' in the Middle East in the 1920s to shock-and-awe in Iraq. To control a population you need boots on the ground.