For some unknown reason, for a short time during the Cold War the U.S./NATO called both the BRDM-1 and BRDM-2 the BTR-40.
Warsaw Pact Poland BRDM-2 crossing a river.
BRDM-2 captured by U.S. forces during the invasion of Grenada (Operation Urgent Fury). U.S. Air Force photo by Technical Sergeant Mike Creen, October 1983.
U.S. Marines captured this BRDM-2 during Operation Urgent Fury. U.S. Navy photo by Peter D. Sundberg, October 1983.
BRDM Sagger anti-tank missile version, referred to as the BTR-40 in some Western publications. U.S. Department of Defense photo dated November 1984.
Sagger missile launcher retracted. U.S. Department of Defense photo dated November 1984.
Launcher raised, one Sagger AT-3 onboard. U.S. Department of Defense photo dated November 1984.
A 1987 Czechoslovak film (including 1980s ‘East Bloc’ music) promoting the BRDM-2:
Photo released in the United States in April 1989, BRDM-2s follow behind a BTR-50P.
On display, Fort Irwin, National Training Center, California. U.S. Army photo dated January 1991.
On display, Fort Irwin, National Training Center, California. U.S. Army photo dated January 1991.
The U.S. Army added ‘Fake News’ Spandrel anti-tank missiles to this BRDM. Fort Irwin, National Training Center, California. U.S. Army photo dated January 1991.
Abandoned Iraqi BRDM-2 in Kuwait, during Operation Desert Storm. Apparently it was being used to haul trash. U.S. Department of Defense photo dated February 1991.
Several years after the unofficial Cold War ended, the U.S. Marine Corps was using BRDM-2s in a war game called Kernel Blitz ’97. U.S. Navy photo by Paul Self, 21JUN1997.
In 2014, a BRDM-2 was seen being used as a taxi in Saint Petersburg, Russia:
Russian Western Military District photo, August 2021.
Vehicle I-D, 1997: 
SOVIET ARMOR OF THE U.S. MARINE CORPS
Vehicle I-D, 2021: 
Ukraine still uses BRDM-2s