…General Douglas MacArthur led the Army troops, along with his aide Major Dwight D. Eisenhower and an able tank commander, Major George S. Patton. Under President Hoover’s orders to drive the protesters back across the Anacostia River, the Army was in position in the late afternoon. Once the order was given, the troops advanced with tanks, fixed bayonets, and tear gas to drive away the crowd of veterans back across the bridge.
Hoover twice sent messages to MacArthur to not cross the bridge, but MacArthur ignored them and continued pressing into the BEF camp on the Anacostia Flats on the far side of the river. The camp was still inhabited by about 10,000 people, who were driven off by the cavalry with tanks and tear gas. Then the infantry followed, setting fire to the shanties. DC’s hospitals were overwhelmed with the wounded. Operationally, the exercise was seen as a success by the Army. The Bonus Expeditionary Forces had been dispersed permanently….
https://www.nps.gov/articles/bonus-expeditionary-forces-march-on-washington.htm
https://en.wikipedia.org/wiki/Bonus_Army
Bonus Expeditionary Forces March on Washington
Anacostia Park
"If the Army must be called out to make war on unarmed citizens, this is no longer America."
-Washington Daily News