Random triples
| Subject | Object |
|---|---|
| gptkb:Progress_MS-24 | chemical propulsion |
| gptkb:Cygnus_CRS_NG-10 | gptkb:monomethylhydrazine |
| gptkb:ATV-2 | chemical propulsion |
| gptkb:Tianzhou_spacecraft | hypergolic propulsion system |
| gptkb:Cygnus_CRS_Orb-9 | gptkb:monomethylhydrazine |
| gptkb:Progress_M-67_M | gptkb:RD-0110_engines |