Within the Army, there are soldiers who are either enlisted (NCOs) or commissioned (officers). To become an officer in the Army, one must complete one of four pathways, consisting of completing the Army ROTC course, OCS (Officer Candidate School), United States Military Academy, or by direct commission. Once you become an officer, you would take a position within a combat arms or combat support branch. Combat arms branches include air defense artillery, armor, aviation, field artillery, infantry, special forces, as well as several others. Each branch has a corresponding support branch which also includes military intelligence, military police, signals, chemical, as well as other positions in addition to combat arms. I am interested in air defense, artillery, armor, aviation, field artillery, infantry and chemicals. Each job title requires that an officer be knowledgeable in their field, maintain a sense of self-discipline, and dignity and confidence in the performance of their duties. Apart from the characteristics, one must be both physically and mentally prepared to perform to the best of one's abilities, perform under pressure and have a sense of management skills to act and lead. Aviation, field artillery, armor, infantry, air defense artillery. , and Chemical Aviation Officers direct and operate helicopters including: the OH-58 Kiowa, UH-60 Black Hawk, CH-47 Chinook, and AH-64 Apache. With each helicopter having different specialties, aviation officers can transport troops and supplies, as well as provide rapid strikes and long-range target engagement. To become an aviation officer, one must first pass the Armed Forces Vocational Aptitude Battery (ASVAB) as well as aeronautical training, ...... middle of paper ...... Nuclear Officer (CBRN). CBRN officers plan, coordinate and direct CBRN operations as well as vulnerability assessment, exploitation and evaluation of sensitive sites, reconnaissance, decontamination, force protection, countering weapons of mass destruction , in order to prevent a threat within an area of ​​operation. CBRN officer, you must first complete the ASVAB then complete the BOLC then the CBRN BOLC Phase III. The skills that will be learned in these courses will enable the officer to use CBRN defense procedures and toxic agents, prepare chemical units, HAZMAT operations certifications and demolition equipment. Also has sole duty position as technical escort team for STRYKER NBC reconnaissance vehicle platoon leader of the 75th Ranger Regiment; and finally a CBRN battalion officer in an airborne, air assault or special forces unit.