ASVAB

The ASVAB is a multiple-aptitude battery that measures developed abilities and helps predict future academic and occupational success in the military. It is administered annually to more than one million military applicants, high school, and post-secondary students.

http://official-asvab.com/

Paloma Valley High School offers the ASVAB test every year in the fall semester.

Practice tests can be found here:

http://www.military.com/join-armed-forces/asvab