Participants gather in the parking lot of the Pentagon as thousands of military veterans and their supporters participate in the 31st annual Rolling Thunder motorcycle rally and Memorial Day weekend "Ride for Freedom" motorcycle procession in Washington, U.S., May 27, 2018. (Photo/Agencies)
A woman waves at riders as thousands of military veterans and their supporters participate in the 31st annual Rolling Thunder motorcycle rally and Memorial Day weekend "Ride for Freedom" motorcycle procession in Washington, U.S., May 27, 2018. (Photo/Agencies)
A woman waves at riders as thousands of military veterans and their supporters participate in the 31st annual Rolling Thunder motorcycle rally and Memorial Day weekend "Ride for Freedom" motorcycle procession in Washington, U.S., May 27, 2018. (Photo/Agencies)
Participants gather in the parking lot of the Pentagon as thousands of military veterans and their supporters participate in the 31st annual Rolling Thunder motorcycle rally and Memorial Day weekend "Ride for Freedom" motorcycle procession in Washington, U.S., May 27, 2018. (Photo/Agencies)