Naval reserve fleets and military aircraft in long-term storage are also maintained by caretakers.
Whether the personnel are military or civilian varies by country, branch of service, and time period.
From 1688 through 1802 the Corps of Invalids was used for garrison and caretaking duties in the British Isles, freeing more capable troops for overseas service.
[3] The Confederate States Army had a similar organization, the Southern Invalid Corps.
83 of 1913 specified caretaker detachment composition and duties in detail, requiring a minimum of one non-commissioned officer of coast artillery and three privates for each fort, also with an ordnance sergeant "when practicable".