Found via mental_floss.
From 1963 on, he test-piloted planes for Lockheed, wrote a memoir of the incident, and became a traffic-copter pilot for a Los Angeles radio station. Powers died in 1977 when his helicopter crashed while on a routine trip. His son was 12 at the time. Gary Jr. would go on to found the Cold War Museum. Sue Powers died in 2004 at the age of 68.
Image courtesy of: Wikimedia Commons
Slightly related: What is it like to fly in a U2 Spy Plane?