The Penn State Libraries shelve materials by Library of Congress call number.
The assigned call numbers for Military Science and Naval Science are U and V, though items are found in others areas as well, such as D (World History), E (History of the Americas), J (Political Science), and TL (Aeronautics). For University Park Libraries visitors, books and periodicals with the call numbers U and V are located on the 3rd floor of Paterno Library.
Library of Congress call numbers relating to Military Service:
U: Military Science (general)
UA: Armies : organization, distribution, military situation
UB: Military administration
UB 416 - 419: Minorities, women, etc. in armed forces