The Military Museum collects, documents, preserves, studies, examines and presents museum material related to life and work of the Slovenian army. The Museum portrays different historical periods that shaped the present image of Slovenia, its inhabitants and its army. It also monitors and documents the Slovenian army development. Collections include museum objects, archive and library material, visual art works, videotheque and photographs. The Military Museum actively participates in organizing a museum collection of armoured
vehicles and artillery-rocket weaponry at the Military History Park in Pivka.

The Museum annually publishes one or two issues of the military history anthology called “The Military History” containing professional articles about the history of the Slovenian Army.