Eli5 why does the US still use a bomber from the 1950s when they have built two newer ones since then?

Question

Eli5 why does the US still use a bomber from the 1950s when they have built two newer ones since then?

In: 7

Answer 1

Another amazing aircraft that is still in operation is the U2. The USAF still operates 31 of these planes (probably lots more off the books at other agencies) and in 2020 fifty million dollars was invested in the AF program with the intended purpose of keeping these planes in operation for another 30 years.