The most common and most likely answer to this crossword clue is the 9 letter word SPACESHIP
I've seen this crossword clue in The Times
S
P
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P
More clues leading to the result SPACESHIP
- Holes in long-haul craft
- Expedition on board trendy craft going far?
- Transport bound for moon? Small steps with it?
- Alien craft — first of scientists steps in
- Seats on stylish transport
- Flying machine, originally staggering speeds with it
- Step on board trendy futuristic craft
- Long-distance traveller from Sweden walks in
- Vehicle to take breaks in
- Speed aboard steamer, cool long-distance vessel
Buddy explains!

The straight part
We know that "Transport bound for moon?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case transport bound for moon? = spaceship.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SPACESHIP mean?
SPACESHIP noun- A vehicle that flies through space.
- A finite pattern that reappears after a certain number of generations in the same orientation but in a different position.
- The operator <=> in the Perl, PHP and Ruby programming languages, which compares two values and indicates whether the first is lesser than, greater than, or equal to the second.