This aircraft was assigned to Wright-Patterson Air Force Base as a test aircraft in the early 1960s. It was returned to combat configuration to replace combat losses in Southeast Asia. Assigned to the 8th Bomb Squadron at Phan Rang, South Vietnam, in 1967, it flew in combat there for 2 1/2 years. After returning to the United States, it was converted to an electronic countermeasures EB-57B. It was flown to the museum in August 1981, and restored back to its Southeast Asia War bomber configuration in 2010.