The almost zodiac-like craft has been an ongoing project over recent years, and contains a fully automated system which the Navy calls a "Precision Engagement Module" which uses an Mk-49 mounting with a dual missile launcher manufactured by Rafael.

ENGADGET: US Navy tests first 11-meter missile-firing sea drone (video)

When the control computer has decided the best time to launch, it tells a launcher to fire a missile or missiles - typically two might be fired at a target in rapid succession because one alone does not guarantee a hit.

BBC: Fact file: Patriot missile defence

Cryosat carries the "2" designation because it is actually a rebuild of a mission that was destroyed in 2005 when its then launcher (also a converted missile) failed just minutes into its flight.

BBC: Esa's Cryosat ice mission given launch date

Syrian Information Minister Omran al-Zoubi said the missile in Aleppo province was launched from inside Syria, but the launcher came from another country.

CNN: SHARE THIS