Maryland State Government Section 19-202

      In addition to the acknowledgment of instruments and the performance of other notarial acts in the manner and form otherwise authorized by law, instruments may be acknowledged, documents attested, oaths and affirmations administered, depositions and affidavits executed, and other notarial acts performed, before or by any commissioned officer in active service of the armed forces of the United States with:

            (1)      the rank of second lieutenant or higher in the Army or Marine Corps;

            (2)      the rank of ensign or higher in the Navy or Coast Guard; or

            (3)      equivalent rank in any component part of the armed forces of the United States.