Commanders of some spacecraft may follow an etiquette of high seas.Logical formLearned from3 sentences. A breakthrough can be in technologies of manned spacecraft.Logical formLearned from3 sentences. A mistake can be with a spacecraft.Logical formLearned from3 sentences. A (sibling spacecraft) may pertain-to an orbiter.Logical formLearned from3 sentences. A spacecraft may reorient itself.Logical formLearned from3 sentences. Spacecraft may launch.Logical formLearned from3 sentences. A spacecraft may dove toward a crater.Logical formLearned from3 sentences. (Water vapor) may be sprayed into space by a crash of a spacecraft.Logical formLearned from3 sentences. A spacecraft may reach a comet.Logical formLearned from3 sentences. A rocket may launch a spacecraft.Logical formLearned from3 sentences. A spacecraft may begin a journey.Logical formLearned from3 sentences. (Science instruments) can be on spacecraft.Logical formLearned from3 sentences. A use can be for spacecraft.Logical formLearned from3 sentences. A spacecraft may reveal that something-is-the-case.Logical formLearned from3 sentences. A (tm-27 spacecraft) may touch_down at some a.m..Logical formLearned from3 sentences.