With 95 percent of the world's products transported over water, these leaders are vital to the effective operation of our merchant fleet for both commercial and military transport during war and peace. Academy graduates abide by the motto âActa Non Verba - deeds not words, and are leaders that exemplify the concept of service above self. Known for its rigorous academic program, USMMA requires more credit hours for a baccalaureate degree than any other Federal service academy.