Engineer officers combine technical expertise with tactical skill to support combat operations and build critical infrastructure. They enable friendly movement, deny mobility to the enemy and strengthen the Army’s ability to fight and win. Engineers construct and repair roads, bases and airfields; clear obstacles and hazards; build defensive positions; and employ demolitions. They also support large-scale civil and environmental projects and help restore essential services during humanitarian and disaster-relief missions.

The Chemical Corps safeguards the force and the nation from chemical, biological, radiological, and nuclear (CBRN) threats, including weapons of mass destruction. Chemical officers and soldiers conduct detection, identification, protection, decontamination, and consequence-management operations to ensure units can survive and continue fighting in contaminated environments. They employ advanced protective systems, sensors, and analytical tools to assess hazards, advise commanders, and integrate with joint and interagency partners to defend against emerging global CBRN challenges.

Signal Corps officers must blend together combat leadership skills and technical proficiency as they plan and manage information systems that support the command and control of the Army's forces. Signal officer assignments and career opportunities are diverse and challenging. They direct and control the installation, operations, maintenance, and reconfiguration of networks of information systems for theater/tactical, strategic, and sustaining base operations and the operation of the Army portion of the global defense communications systems.

An Adjutant General Officer is responsible for helping Soldiers with the tasks that affect their overall welfare and well being, while assisting commanders by keeping Soldiers combat-ready. In many cases, the duties of an Adjutant General Officer are very similar to the function of a high-level human resources executive in the civilian world.

The Army's Military Police (MP) provide an important function in full spectrum Army operations. The Army's Military Police can be utilized during offensive operations, defensive operations, stability operations, and civil support operations. As a Military Police Officer you will be charged with leading Soldiers in the execution of the five Military Police Battlefield Functions.

The Medical Service Corps is a diverse and integral part of the Army Health Care Team. Medical Service Corps Officers are essential in treating and helping the overall health of Soldiers and their families. They are also responsible for much of the medical research that takes place in the Army. From medical fields such as optometry and podiatry to laboratory sciences to behavioral sciences, the Army Medical Service Corps includes many areas of specialty.

The Infantry is the main land combat force and core fighting strength of the Army. It's equally important during peacetime and in combat. The role of an Infantry Officer is to be a leader in operations specific to the Infantry and to lead others in all areas of land combat.

The Army's Field Artillery Branch is responsible for neutralizing or suppressing the enemy by cannon, rocket and missile fire and to help integrate all fire support assets into combined arms operations. The role of a Field Artillery Officer is to be a leader in operations specific to the Field Artillery Branch and to be an expert in the tactics, techniques and procedures for the employment of fire support systems.

The Army's Aviation Branch is critical in so many of the Army's operations. From providing quick-strike and long-range target engagement during combat operations to hauling troops and supplies, Army helicopter units are key in getting the job done in many situations. An Officer within the Aviation Branch is first an expert aviator, but is also responsible for the coordination of Aviation operations from maintenance to control tower operations to tactical field missions.

The Army's Finance Corps is responsible for sustaining operations through purchasing and acquiring supplies and services. Officers in the Finance Corps make sure commercial vendors are paid, contractual payments are met, balancing and projecting budgets, paying Soldiers for their service and other financial matters of keeping the Army running.