Thinking of enlisting any branches of the U.S military such as: Army, Navy, Air Force, Marine Corps, Coast Guard. If so, you must take the ASVAB aptitude test. Are you already in the military, and need a career change, you might have to retake the ASVAB exam again. The ASVAB also known as armed services, vocational aptitude battery, is a time multi choice aptitude test used by the U.S military to determine enlistment eligibility and job placement, measuring developed abilities rather than knowledge. The exam consists of 10 subtests, including general science, arithmetic reasoning, word knowledge, paragraph comprehension, mathematic knowledge, electronics information, auto shop information and mechanical comprehension. This course will only go over the math section only such as arithmetic reasoning and mathematics knowledge.