Active list

noun
(military) a list of officers available for full duty
Historical Examples

He had just been promoted general of brigade when he was removed from the active list as being of noble birth.
Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 10 Various

These are the active list, and they alone hold office and vote.
Socialism As It Is William English Walling

The doctor had seen his ankle and reported that it would be on the active list in a couple of days.
Mike P. G. Wodehouse

An Admiral is some pumpkins in Annapolis, when he is on the active list.
In Her Own Right John Reed Scott

As having commanded in chief before the enemy, the age-limit was waived in his favour, and he was continued on the active list.
Encyclopaedia Britannica, 11th Edition, Volume 15, Slice 5 Various

There were fourteen on the active list and four honorary Marshals in the Senate.
Napoleon’s Marshals R. P. Dunn-Pattison

Officers newly appointed must undertake to serve on the active list for twenty-five consecutive years, at least.
Harper’s Pictorial Library of the World War, Volume XII Various

Mr. Vernon Mallory has to be reckoned with as still on the active list, eh?
A Traitor’s Wooing Headon Hill

Salaries (traitements) are attached to the military and naval recipients of the order when on the active list, viz.
Encyclopaedia Britannica, 11th Edition, Volume 15, Slice 8 Various

Dreyfus and Picquart were restored to the active list of the army with the ranks respectively of major and general of brigade.
Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 Various