![](https://www.historynet.com/wp-content/uploads/2017/08/B-57-1200_480.jpg)
The Martin WB-57F Canberra’s patchwork roots are evident during a test flight soon after the rebuild. (NASA/JSC photo)
NASA/JSC photo
The Martin WB-57F Canberra’s patchwork roots are evident during a test flight soon after the rebuild. (NASA/JSC photo)
NASA/JSC photo