Proton 3 - Space launch mission detailed information
Proton 3 3
6 JUL 1966
Soviet Space Program
The N-4 series of satellites, a.k.a. Proton-1, carried instruments to study super-high energy cosmic particles.
Proton is an expendable launch system used for both commercial and Russian government space launches. The first Proton rocket was launched in 1965.