Columbine III was used as Dwight D. Eisenhower 's presidential aircraft .
Columbine III was was eventually retired to the museum in 1966 , where it is now displayed in the museum 's Presidential Gallery .
Columbine III was used as Dwight D. Eisenhower 's presidential aircraft , and was eventually retired to the museum in 1966 , where it is now displayed in the museum 's Presidential Gallery .