Juno 1 rocket history

First flight

Jan 31, 1958

First orbit: Explorer 1 satellite
ceased transmission of data due to dead batteries, but remained in orbit for 12 years.
6 launches over time
3 successful
3 unsuccessful
Reentry over the Pacific ocean on March 30, 1970

Attempted orbit Explorer 2 satellite

Mar 5, 1958

Failed because the fourth stage did not ignite

Explorer 3 satellite orbited

Mar 26, 1958

Down June 28, 1958

Explorer 4 satellite orbited

Jul 26, 1958

Down October 23,1959

Attempted orbit Explorer 5 satellite

Aug 24, 1958

It failed after booster collided with second stage after separation, causing upper stage firing angle to be off.

Attempted orbit of 12 ft inflatable Beacon satellite

Oct 23, 1958

Failed when second stage separated preternaturally from booster