4x 29mm cluster with two jettisonable strap-on boosters
| Flight Date: | 2018-02-03 |
| Rocket Name: | Atlas V 521 |
| Flyer's Name: | Mike Caplinger |
| Motors: | 2xE20-4+2xE20-7 |
| Launch Site: | Holtville Airport |
| Actual Altitude: | 420 Feet |
Three of four motors ignited; one booster hung up at jettison; got all the pieces back.
| Stage | Motor(s) |
|---|---|
| 1 | 2 x Aerotech E20-4 |
| 2 x Aerotech E20-7 |
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