Well, the B-52 went into service in 1955 and the last I heard is that it is slated to end service in 2050. So, who knows. SR-71's and B-1s could still be used.
Well, the B-52 went into service in 1955 and the last I heard is that it is slated to end service in 2050. So, who knows. SR-71's and B-1s could still be used.