Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Normal
I would think it's because they probably figured out pretty fast that it's more difficult intercepting bombers compared to ballistic missiles which do not maneouver at all during their trajectory. In the early sixties IIRC, Nike Ajax (or if it was Zeus) had a quite good hit ratio in intercepts against ICBM targets.