Lambda 4S – Institute of Space and Astronautical Science
- Family: Lambda
- Length: 16.5 m
- Diameter: 0.74 m
- Launch Mass: 9 T
- Low Earth Orbit Capacity: 26 kg
The Lambda 4S, manufactured by Institute of Space and Astronautical Science established in unknown year, undertook its inaugural launch on 09/26/1966. Notably, Lambda 4S has 1 successful launches and 4 failed attempts, with a cumulative tally of 5 launches, currently with 0 pending launches in the pipeline.
The Lambda was an experimental Japanese expendable carrier rocket