Cryptic crossword clue
Missile launchers stolen on board with prior support from medic 10

The most common and most likely answer to this crossword clue is the 10 letter word SLINGSHOTS

I've seen this crossword clue in The Times
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The straight part
We know that "Missile launchers" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case missile launchers = slingshots.
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 SLINGSHOTS mean?

SLINGSHOTS noun
  1. A Y-shaped stick with an elastic sling between the arms used for shooting small projectiles.
  2. A stationary, often triangular object that launches any ball that hits its longest side back at a high force, now usually located above the flipper and between it and the inlane, with one each for both lower flippers.
SLINGSHOTS verb
  1. To move or cause to move in a manner resembling a projectile shot from a slingshot.
  2. (especially) To use the gravity of a moving planet to add momentum to a spacecraft.

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