The Fourth Space Lord was a member of the Lords of Admiralty that controlled the Royal Manticoran Navy, in charge of the Bureau of Weapons.
As such, he or she was responsible for the research and development of new systems for the Navy. (HH9)
Known office holders[]
- Dame Carrie Lomax – mid-1800s PD (Companion)
- Admiral George Rodriguez – ~1870 PD (Companion)
- Vice Admiral Jonas Adcock – mid-1910s PD (HH9)
- Lady Dame Sonja Hemphill, Baroness of Low Delhi – before 1919 PD (HH11)