A diagram of How It Works
How the Nike System Evolved
On the left -
Warhead Mating Building
Where the Hercules warhead was installed in the assembled and tested missile.
This building was inside the earthen berm revetment. The building roof was light weight. In case of an accidental detonation the blast would be upward and the earth mound should contain debris.
On the left -
A stairway entrance to an underground missile magazine. A portion of the elevator pad is visible upper left about an inch down.