 Reversing the problem, the addition of ICBMs to the US Air Force's arsenal did not eliminate the need, or desire, to attack Soviet military targets, and the Air Force maintained that bombers were the only suitable platform in that role.This presented a serious problem for the Air Force.While still pressing for the development of newer bombers, like the supersonic B-70, it appeared the countervalue role was served by the Navy's UGM-27 Polaris.