Rachel MartinRachel Martin is the co-host of Morning Edition and Up First.
On April 4, 1975, a Lockheed C-5A Galaxy participating in Operation Babylift crashed on approach during an emergency landing at Tan Son Nhut Air Base, South Vietnam.
Courtesy of Bud Traynor
Retired agent Michael Vigil on a search and destroy operation in the Colombian jungle. "As an undercover, you're basically kind of an independent operator ... and it's very addictive." says Laura Brodie, a criminal and forensic psychologist.
Courtesy Michael Vigil