Proton Electron

It's the same guess that we've made Because it's the only possible answer Electronics and radar of the empire Atomic activity on the moon Atomic blast on the earth Atomic activity on the moon Atomic blast on the earth Atomic activity on the moon Atomic blast on the earth Atomic activity on the moon Atomic blast on the earth Atomic activity on the moon Atomic blast on the earth Atomic activity on the moon Atomic blast on the earth Atomic activity on the moon Atomic blast on the earth Atomic activity on the moon Atomic blast on the earth