Propellant can be on a spacecraft.Logical formLearned from2 sentences. Planets may be discovered by a spacecraft.Logical formLearned from2 sentences. A (11f615a60 spacecraft) may have a serial number.Logical formLearned from2 sentences. (Exploration programs) may use spacecraft.Logical formLearned from2 sentences. A spacecraft may be constructed with some european cooperation.Logical formLearned from2 sentences. A (genesis spacecraft) can be (sample return probe).Logical formLearned from2 sentences. A spacecraft can be (space probe).Logical formLearned from2 sentences. A useful life may be compared with spacecraft.Logical formLearned from2 sentences. Some spacecraft may be based on a bus.Logical formLearned from2 sentences. Research can be for series of spacecraft.Logical formLearned from2 sentences. Spacecraft may carry variety of scientific investigations.Logical formLearned from2 sentences. A spacecraft may be pulled into an atmosphere.Logical formLearned from2 sentences. A spacecraft may be collected.Logical formLearned from2 sentences. (Surface units) can be from (spacecraft images).Logical formLearned from2 sentences. An alien spacecraft may be dubbed.Logical formLearned from2 sentences.