Way-stations can be for spacecraft.Logical formLearned from3 sentences. Dozens can be constituted-of-or-filled-with robotic spacecraft.Logical formLearned from3 sentences. Forms can be constituted-of-or-filled-with (spacecraft propulsion).Logical formLearned from3 sentences. A spacecraft may be refurbished.Logical formLearned from3 sentences. A spacecraft may mass some kg.Logical formLearned from3 sentences. A pilot may land with a spacecraft.Logical formLearned from3 sentences. A problem can be on a spacecraft.Logical formLearned from3 sentences. A position can be relative to a spacecraft.Logical formLearned from3 sentences. A contract can be for a spacecraft.Logical formLearned from3 sentences. Spacecraft may be developed.Logical formLearned from3 sentences. A (spacecraft design) can be modular.Logical formLearned from3 sentences. An origin may pertain-to a spacecraft.Logical formLearned from3 sentences. A spacecraft may consist of some (long cylinder).Logical formLearned from3 sentences. A spacecraft may use fuel.Logical formLearned from3 sentences. A spacecraft may be experienced.Logical formLearned from3 sentences.