Secretary of Defense Mark Esper testifies during a House Armed Services Committee hearing on July 9, 2020 in Washington, D.C.

WASHINGTON, DC – JULY 9: Secretary of Defense Mark Esper testifies during a House Armed Services Committee hearing on July 9, 2020 in Washington, DC. Esper was scheduled to testify about the role of the Department of Defense in civilian law enforcement. Active duty troops aided local law enforcement around the country at protests last month in the wake of George Floyd’s death. (Photo by Greg Nash-Pool/Getty Images)