There are expositions dedicated to the military skills of the Grand Duchy of Lithuania, Vytautas the Great Chapel, collections of weapons, firearms, ammunition, army uniforms of various states, defense of the Kaunas Fortress in 1915, and others.

The airplane Lituanica, on which Steponas Darius and Stasys Girėnas flew across the Atlantic Ocean in 1933, is on display and remains a popular exhibition.

Statues of Lithuanian national renaissance figures, and the Tomb of the Unknown Soldier and eternal flame, are located in the square in front of the museum.

Every day at midday, the Lithuanian war time song Oi, neverk motušėle (Don't Cry, Mother) is played.

Museum's garden has more than ten statues of Lithuanian military chiefs and cultural characters who influenced Lithuania in 19th and 20th century.