The ASVAB (Armed Services Vocational Aptitude Battery) has three versions: the Student ASVAB for high school students, the MET-site ASVAB for those away from military processing stations, and the common CAT-ASVAB offered at MEPS. The test consists of multiple sections assessing various skill areas such as general science, arithmetic reasoning, and mechanical comprehension, with a total length of approximately 149 to 154 minutes, depending on the format. Candidates can prepare for the ASVAB by accessing full-length practice tests available at www.crushtheasvab.com.