Spacecraft information: EXPLORER 34
| Launched | 23 May 1967 |
| Flight ended | 2 May 1969 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 2817 |
| COSPAR ID | 1967-051A |
| Alternative names |
IMP-4 |
| Observing |