Students at the United States Military Academy, the United States Air Force Academy, and the United States Coast Guard Academy are cadets. Students at the United States Naval Academy and the United States Merchant Marine Academy are midshipmen. All cadets and midshipmen receive taxable pay at a rate of 35% of O1 under 2 years of service (which can be used to pay for textbooks and uniforms), free room and board, and pay no tuition or fees, with the exception of USMMA who receive taxable pay at $1006.80 a month only during their required 300+ days at sea during their 4-year studies.