 With Minuteman, the targeting could be easily changed by loading new trajectory information into the computer's hard drive, a task that could be completed in a few hours.Earlier ICBMs' custom wired computers, on the other hand, could only have attacked a single target, whose precise trajectory information was hard-coded directly in the system's logic.In 1957 a series of intelligence reports suggested the Soviets were far ahead in the missile race and would be able to overwhelm the US by the early 1960s.