AJ-60A
| An AJ-60A booster, without nosecone attached, being fitted to an Atlas V | |
| Manufacturer | Aerojet Rocketdyne | 
|---|---|
| Country of origin | USA | 
| Used on | Atlas V | 
| General characteristics | |
| Height | 17.0 m (669 in) | 
| Diameter | 1.6 m (62 in) | 
| Gross mass | 46,697 kg (102,949 lb) | 
| Engine details | |
| Maximum thrust | 1,688.4 kN (379,600 lbf) | 
| Burn time | 94 seconds | 
| Propellant | HTPB/AP (APCP) | 
AJ-60A is a solid rocket booster produced by Aerojet Rocketdyne. Up to 2020 they were used as strap-on boosters on all United Launch Alliance Atlas V rocket configurations. They continue to be used on the Atlas V N22 configuration used to launch the Boeing Starliner.