UNIT archives included the Black Archives (TV: Enemy of the Bane, The Day of the Doctor) up to Black Archive 5, (AUDIO: Armageddon) the Warehouse, (HOMEVID: Auton) and the Vault. (AUDIO: Tales from the Vault, Mastermind)
According to the UNIT archives, a Berserker pendant surfaced in a barracks in Ealing in 1940, but was lost during a German bombing raid. (TV: The Mark of the Berserker)
Jack Harkness "bequeathed" his vortex manipulator to the UNIT archive upon one of his deaths. (TV: The Day of the Doctor)
Major Jenny Maguire once joked that UNIT should defrost a "squiddy thing" from the stores and release it to the press. (PROSE: Operation London)