 A naval college, where Ethiopian naval officers undertook a 52-month program of study, was founded at Asmara in 1956; each class admitted averaged 30 to 40 students in size, and they graduated with a naval commission and a bachelor of science degree.In 1957, a Naval Non-Commissioned Officer School was established at Massawa as well.A Frogman/Diving School for the training of a special commando unit and a Ratings' Training Establishment for the training of naval enlisted men also were established at Massawa by the late 1950s or early 1960s.