Random triples
| Subject | Object |
|---|---|
| gptkb:STS-107_(final_mission) | Damage to left wing from foam strike during launch |
| gptkb:STS-51L_(Challenger_disaster) | O-ring failure |
| gptkb:Space_Shuttle_STS-107 | Damage to left wing during launch |
| gptkb:STS-107_(Columbia) | Damage to left wing during launch |
| gptkb:STS-51L_(Challenger_disaster) | Solid rocket booster failure |