Today I Learned that there are still 1940s designed jets flying critical missions. A WB-57 monitored Artemis II's descent. #til #wb57

https://en.wikipedia.org/wiki/Martin/General_Dynamics_RB-57F_Canberra

Martin/General Dynamics RB-57F Canberra - Wikipedia

@cshishido Some older stuff can be easily maintained. Low cost and easy to make parts make some things mainstay in services, and popular within government budgets.