MOS 11B Infantryman Duty Descriptions

11B Infantryman

Operates both mounted and dismounted to engage and eliminate the adversary. Utilizes, operates, and maintains assigned weapons and equipment. Implements proper dismounted movement techniques, cover, concealment, and camouflage as an integral part of the dismount team. Executes fundamental communication functions and operates platoon communications equipment. Constructs individual fortified positions. Gathers and reports tactical intelligence as a member of a combat or reconnaissance patrol. Assists in target detection, identification, and projectile detection. Supports in breaching minefields and obstacles.


Team Leader

Team Leader in an M2A2 ODS Mechanized Infantry Platoon

Team Leader in an M2A2 ODS Mechanized Infantry Platoon; Bradley gunner ensures accountability of up to 2.5 million dollars’ worth of equipment, Basic Issue Items (BII), and communication platforms on board the vehicle; trains and mentors the Bradley driver, responsible for their equipment and well-being; operates the 25 MM cannon and the 7.62 coaxial machine gun during combat patrol, navigates for the Bradley Commander, and monitors communications traffic between other vehicles and ground units; assumes control of vehicle movement in the absence of the Bradley Commander.

Squad Leader

Scout Squad Leader/11B30

Scout Squad Leader in a Scout/Sniper Platoon of a light infantry battalion; leads a reconnaissance team during combat operations; acquires information that holds tactical significance regarding the enemy, terrain, weather, and civil considerations within an Area of Operation (AO); ensures proper reporting of intelligence data to the unit; ensures maintenance, accountability, and effective utilization of all squad-assigned equipment valued at over $50,000; maintains the highest level of combat readiness regardless of conditions and personnel changes; responsible for the well-being, morale, welfare, and training of a scout squad comprising up to six Soldiers.

11B/Squad Leader

Designated as a Squad Leader, accountable for the health, welfare, morale, and combat readiness of a six-member squad in a Rapid Deployment Platoon of the 3rd Infantry Division; Assists the platoon sergeant in developing and implementing individual training programs; provides technical guidance and support to subordinates in administrative matters; supervises maintenance activities; ensures compliance with all directed, specified, and implied tasks; responsible for the accountability of $2,000,000 worth of weapons, optics, and organizational equipment.

11B30B4 Sniper Squad Leader

Sniper Squad Leader of a six-member Sniper Squad assigned to a Dismounted Reconnaissance Troop; delivers long-range, precise rifle fire and target acquisition on critical targets, selected targets, and targets of opportunity; gathers tactical information concerning the enemy, terrain, weather, and civil considerations within an Area of Operation (AO); advises the Troop Commander on tactical and technical deployment of two Sniper Teams; supervises administrative actions and logistics within the squad; responsible for the well-being, morale, and individual training focusing on marksmanship, physical fitness, and dismounted reconnaissance operations; oversees maintenance and accountability of all Modified Table of Organization and Equipment (MTOE) equipment and assigned property.


Platoon Sergeant

Platoon Sergeant Heavy Weapons PLT ABN

Serves as the Platoon Sergeant in a 17-member Parachute Infantry Heavy Weapons Platoon; responsible for the health, welfare, discipline, morale, and unit cohesion of 17 Paratroopers; additionally responsible for the maintenance and accountability of over $5 million worth of equipment Platoon Sergeant Heavy Weapons PLT ABN Serves as the Platoon Sergeant in a 17-member Parachute Infantry Heavy Weapons Platoon; responsible for the health, welfare, discipline, morale, and unit cohesion of 17 Paratroopers; additionally responsible for the maintenance and accountability of over $5 million worth of equipment, which includes two M2A1 .50 caliber Machine Guns, two MK-19 Automatic Grenade Launchers, two M41 Improved Target Acquisition Systems (ITAS), Tube-launched Optically-tracked Wire-guided (TOW) Weapon Systems, two M1167 Up-Armored HMMWV, two M1151A1 HMMWV, and one M1165A1 HMMWV.

MOS 11B (PSD) Platoon Sergeant

Platoon Sergeant of a 14-member Protective Services Detachment Platoon tasked with guarding the Battalion Command Team in support of combat operations in XXXXXX, Afghanistan; responsible for the health, welfare, morale, training, discipline, physical conditioning, and professional development of the entire platoon; ensures the combat readiness of a platoon capable of worldwide deployment within 36 hours’ notice; responsible for the maintenance and accountability of all weapons, vehicles, and equipment organic to the platoon, valued in excess of $3,000,000.

11B30F7 Dismounted Reconnaissance Platoon Sergeant

Platoon Sergeant assigned to a Dismounted Reconnaissance Troop; responsible for the readiness and welfare of two teams, each consisting of eight team members; plans and conducts training for the efficient execution of security, reconnaissance, and civil-military operations in preparation for rapid deployments; enforces tactical and Soldier discipline during field training exercises; responsible for the employment, accountability, and readiness of vehicles, weapons, and equipment; serves as a senior advisor to the platoon leader.

Mobile Gun System (MGS) Platoon Sergeant

Mobile Gun System Platoon Sergeant assigned to a Stryker Battalion Combat Team; responsible for the welfare, development, and training of 12 crew members; assists in the planning, preparation, and execution of all individual and collective training in preparation for rapid real-world deployments; aids in the tactical employment of the platoon’s assigned weapons systems and personnel; ensures quality control over the maintenance and accountability of assigned vehicles, weapons, and equipment valued at 8 million dollars.


Vehicle/Stryker Commander

Stryker Commander

Serves as a Stryker Commander in a Mobile Gun System platoon as part of an OCONUS-based Company with a wartime mission to deploy anywhere in the world within 96 hours as an element of the 2nd Stryker Cavalry Regiment; responsible for the combat training, readiness, health, welfare, discipline, and professional development of seven Soldiers; accountable for the maintenance and operation of one ATGM Stryker Variant and all associated equipment valued in excess of $2,500,000.00; assumes the role of platoon sergeant in their absence.

MOS 11B Stryker Vehicle Commander

Responsible for the maintenance and operation of a STRYKER combat vehicle; maintains accountability of up to $6,000,000 worth of equipment, Basic Issue Items (BII), and communication platforms onboard the vehicle; trains and mentors the STRYKER driver, responsible for their equipment and well-being; operates the heavy machine gun during combat patrols, navigates for the squad leader, and monitors communications traffic between other vehicles and ground units; assumes control of vehicle movement in the absence of the squad leader.

Mobile Gun System (MGS) Stryker Commander

Mobile Gun System Stryker Commander assigned to a Stryker Battalion Combat Team; responsible for the professional development, training, and welfare of three crew members; engages targets using the TOW II Missile System and the 7.62mm machine gun; processes operational information through Force XXI Battle Command, Brigade and Below; accountable for the employment, maintenance, and accountability of assigned weapons and equipment valued at 2.5 million dollars.

Mobile Gun System (MGS) Gunner/Assistant Vehicle Commander

Mobile Gun System Gunner/Assistant Vehicle Commander assigned to a Stryker Battalion Combat Team; responsible for the professional development, training, and welfare of two crew members; engages targets using the TOW II Missile System and the 7.62mm machine gun; processes operational information through Force XXI Battle Command, Brigade and Below; responsible for the employment, maintenance, and accountability of assigned weapons and equipment valued at 2.5 million dollars.

Drill Sergeant

Senior Drill Sergeant/11B4X

Responsible for mentoring two Drill Sergeants and training 60 Infantry Soldiers in all phases of training; supports the Infantry One-Station Unit Training (OSUT) Program of Instruction (POI) and conducts classes on a variety of Infantry subjects; ensures proper maintenance of each assigned Soldier’s individual training record; conducts situational training exercises during a seven-day Field Training Exercise (FTX); plans and assists in the execution of all training; accountable for the maintenance and accountability of equipment valued in excess of $50,000.

Drill Sergeant: MOS 11B

Responsible for training 60 Infantry Soldiers in all phases of training; supports the Infantry OSUT Program of Instruction (POI) and conducts classes on various Infantry subjects; ensures proper maintenance of each assigned Soldier’s training record; conducts situational training exercises during a seven-day Field Training Exercise (FTX); assists in the execution of all training; accountable for the maintenance and accountability of equipment valued in excess of $75,000.


Operations Sergeant

MOS 11B Operations Sergeant

Advises the commander on training, logistics, personnel, and mobilization readiness; develops, updates, and maintains mobilization plans, including COMPASS and AUEL reports, vehicle load plans, unit movement plans, convoy clearance requests, Annual Post Mobilization Training Support Report, Unit Alert Roster, and unit Home Station Activities list; ensures the unit is Post-Mobilization/Post-Deployment Operational Resiliency (POM/PDOR) qualified; reviews and implements mobilization directives; obtains required data for the unit status report; assists the commander in preparing readiness reports; monitors Equipment on Hand (EOH) and Equipment Readiness (ER) status; attends all unit training; performs other assigned duties.

MOS 11B Assistant Operations Sergeant

Responsible for the morale, logistics support, and training of a 24-member Quick Reaction Force; accountable for the maintenance, accountability, and effective utilization of all assigned weapons, night observation devices, communications equipment, vehicles, and individual equipment valued over $350,000; counsels, disciplines, and develops soldiers and NCOs into competent leaders; maintains the highest state of combat readiness regardless of conditions and personnel changes.


Miscellaneous

11B Battle Noncommissioned Officer (NCO)

The Battle NCO assumes the role of a Brigade Tactical Operations Center (TOC) NCO, working closely with the Battle Captain to compile formal reports for higher authorities. They oversee the duties of TOC personnel and supervise TOC security, maintenance, communications, policing, and administration. During shift changes, they provide briefings to incoming personnel to ensure seamless continuity across all TOC elements. Additionally, they maintain the current Situational Operating Instructions (SOI) and Common Operational Picture (COP) information.

11B/Battalion Master Gunner

As the Battalion Master Gunner within the 1st Armored Brigade Combat Team, 3rd Infantry Division, this individual is responsible for planning and training all gunnery and qualification-related tasks for 900 Soldiers and 30 M2A3 Bradley Fighting Vehicles (BFV). They serve as the Battalion Commander’s technical advisor on gunnery-related subjects, as well as the maintenance of BFV turrets, hulls, and weapon systems. Managing all gunnery-related data pertaining to the M2A3 fire control system, they coordinate and allocate resources for ammunition, training areas, and facility requirements on behalf of the Battalion Commander. Moreover, they hold the position of Noncommissioned Officer in Charge (NCOIC) of the battalion headquarters section, overseeing five Soldiers and three vehicles valued at over $12,000,000.

Bradley Gunner/M2A3 Mechanized Infantry Platoon

The Bradley Gunner’s responsibilities include maintaining accountability of equipment, Basic Issue Items (BII), and communication platforms aboard the vehicle, amounting to a value of up to 2.5 million dollars. They provide training and mentorship to the Bradley driver, taking charge of their equipment and well-being. During combat patrols, they operate the 25 MM cannon and the 7.62 coaxial machine gun, while also assisting the Bradley Commander with navigation and monitoring communications traffic between other vehicles and ground units. In the absence of the Bradley Commander, they assume control of vehicle movement.

11B/Infantry Scout

Conducting reconnaissance operations, the Infantry Scout gathers vital tactical information about the enemy, terrain, weather, and civil considerations within a designated Area of Operation (AO). They assess the terrain to determine present and future movement and maneuver conditions, as well as provide a detailed analysis of the enemy’s disposition, strengths, and weaknesses. By delivering essential information, they facilitate the coordination and maneuvering of combined armed forces against the enemy. Their mission involves striking the enemy at its most vulnerable points and applying force effectively. They play a crucial role in gathering the necessary intelligence for executing stability operations within the AO.

11B/Sergeant of the Guard – Installation Access Control Point (IACP)

Serving as a Sergeant of the Guard at the Installation Access Control Point, this individual assumes the responsibility of controlling the access of vehicles, visitors, and pedestrians into military installations. They screen employees, visitors, and contractor personnel to grant visitor access based on authorized entry criteria, denying entry to unauthorized individuals. Instantaneous decisions regarding the use of deadly force may be required, and they operate the Active Vehicle Barrier when necessary. Additionally, they promptly alert appropriate officials of any apparent security violations and conduct traffic stops at the IACP for safety and security checks.

11B/Senior Sniper – Sergeant (SGT)

As a Senior Sniper within an Infantry Battalion consisting of 822 Soldiers, this individual is responsible for providing long-range, precision rifle fire on key targets, select targets, and targets of opportunity. They also collect and report valuable battlefield information. Their role encompasses training, leading, and overseeing a three-person team. Executing the orders of the S3 (Operations and Training Officer), SEO (Sniper Employment Officer), and section leader, they ensure the successful execution of offensive, defensive, and stabilization operations. Operating in volatile, uncertain, complex, and ambiguous (VUCA) environments, they are capable of worldwide deployment. Additionally, they bear the responsibility of caring for, maintaining, and accounting for their team’s individual and organizational equipment, which is valued at over $100,000. They provide support to all levels of the NCO support channel and the chain of command in accomplishing the Battalion Commander’s and S3’s mission.

11B2O/Senior Radio Telephone Operator (RATELO)

In their capacity as the senior radio telephone operator of an infantry company comprising over 130 Soldiers, the RATELO maintains a critical link between the company and battalion leadership. They receive, process, disseminate, and track essential information in a timely and accurate manner. Furthermore, they record all actions of the company, update charts and overlays, and handle spot reports and message relays. They promptly respond to Commanders Critical Information Requirements (CCIR) or Essential Elements of Friendly Information (EEFI). Their role is integral to maintaining effective communication within the company.

First Sergeant: Basic Combat Training (BCT) 11Z5M

As the First Sergeant of a gender-integrated Basic Combat Training company, this individual is tasked with providing tactically competent, physically fit, values-based, and highly motivated Soldiers. They bear responsibility for the safety, health, welfare, morale, discipline, professional development, and training of 12 Drill Sergeants, one DA-Civilian, a supply sergeant, a supply specialist, and 960 Initial Entry Soldiers annually. Serving as the primary advisor to the company commander, they play a crucial role in establishing unit policies, procedures, and training guidance. Moreover, they oversee the accountability of equipment valued at over $1.5 million.

Instructor/Writer: MOS 11B

In this role, the individual is responsible for the health, welfare, discipline, and safety of over 1,000 Officers undergoing training on Anti-Armor weapon systems, including the Javelin, MK19, M2 50 Caliber Machine Gun, and Anti-Armor tactics. They are accountable for all weapons and related training equipment valued at over $500,000. Conducting more than 20 hours of instruction per week, they deliver training to the Infantry Pre-Command Course (IPCC), Infantry Officer Basic Course (IOBC), and Officer Candidate School (OCS).

Section Leader/MOS 11B

As the section leader of a mechanized infantry section in USAREUR, this individual prepares the section for deployment to tactical environments. They are responsible for the training and well-being of the section’s members as well as the accountability and maintenance of all assigned equipment. They ensure the combat readiness of the section to accomplish the platoon’s mission. Moreover, they prioritize the health and welfare of the six section members and their families. The equipment under their supervision exceeds a value of 2.4 million dollars.

11B Grenadier

The Grenadier plays a vital role within the fire team, utilizing the M203 40mm grenade launcher to provide high trajectory, high explosive capability up to a range of 350 meters. Their primary objectives include suppressing and destroying enemy infantry and light-armored vehicles. Additionally, they provide smoke cover to shield and support their squad’s fire and movement. Employing illumination rounds, they enhance visibility and mark enemy positions. With their proficiency in engaging targets day or night using the appropriate rounds, they ensure readiness by maintaining their equipment and being prepared to fulfill their duties. Moreover, they are capable of assuming the responsibilities of an automatic weapons gunner or team leader when required.

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