Con miles de empleos diferentes para el personal alistado y oficiales, hay mucho que hacer en las Fuerzas Armadas. El programa de exploración de carreras del ASVAB (Examen de Aptitud Vocacional para las Fuerzas Armadas, por sus siglas en inglés) puede ayudar a los adultos jóvenes a identificar y explorar ocupaciones potencialmente satisfactorias y a desarrollar estrategias para alcanzar sus objetivos de carrera.

Guardacostas: La Guardia Costera rara vez, o nunca, se ofrece un trabajo garantizado en sus activos contratos de alistamiento deber. En cambio, el nuevo "Coasties" reclutar marineros como no designados y pasar su primer año (más o menos) del servicio que hace el trabajo general ("Paint ese barco!") Antes de que finalmente la solicitud de capacitación para el trabajo específico.
Since 1976, the multiple-choice ASVAB has been used for initial aptitude screening as well as MOS classification. The exam has changed since its inception. While some parts have remained, such as arithmetic reasoning and word knowledge, others like tool knowledge have been removed in favor of questions related to assembling objects. After nearly 20 years of research and development, a computer-adaptive version of the exam was implemented in 1996. The CAT-ASVAB is the first large-scale adaptive battery test to be administered in high-stakes environments like a Military Entrance Processing Station. The paper and pencil, or P&P version is still used at a variety of other military testing sites.
For those who are interested in enlisting in the military, they are screened using the Armed Forces Qualification Test (AFQT), which is comprised of a subset of scores from the ASVAB. Successfully passing the AFQT is not the sole requirement for enlisting but is one of the qualifications that must be met. There are various requirements for the different branches of the military and those interested are encouraged to contact recruiters to obtain more information about requirements specific to that branch.
After adopting the test in 1976 the test became a way of indicating whether or not an individual was 100% qualified to serve. As previously mentioned this aptitude test has a colorful history. That is because it underwent a dramatic change in 2002 and another dramatic change in 2004. The change that occurred in 2002 expanded the categories of the test and the overall difficulty. This can be seen by the addition of all of the diverse categories below: