Cobb says the group worked from tail to nose re-painting the aircraft and making it look brand new, so it can be shown off at the Museum of Flight in Seattle.
"It was an honor, it really was. Working on a part of history like that; I was thankful to be chosen. Besides the complete exhaustion, at the end of the day, it was a huge honor," Cobb said.
Cobb added that presidents including Eisenhower, Kennedy, Johnson and Nixon flew in that plane.
He said the aircraft is restored every two years to keep it in good condition. Read the full story here at this link