PART IIIProvisions relating to civilians and civil authorities
Offences by civilians triable by court-martial
93Spying in ships or in naval establishments abroad
Every person not subject to this Act who, being on board any of Her Majesty's ships or vessels, or being within any of Her Majesty's naval establishments outside Her Majesty's dominions, acts as a spy for the enemy shall be liable on conviction by court-martial to death or to imprisonment for any term.