The U.S. comprises soldiers with different positions, based on their functions and responsibilities. The highest position in the U.S. Army is the Chief of Staff. Staff positions are XO, CSM, S1, S2, S3, S4, fire support officer, engineer, signal, chemical and air defense elements. Each support command has responsibilities based on their functions and duties.
The S3 command is responsible for matters pertaining to planning and coordination during battles. Each S3 sergeant has his own functions. The S3 Operation Sergeant is the senior non-commissioned officer, monitoring and supervising the performance of the enlisted staff. He assists the S3 Operations Officer. He prepares, authenticates and publishes the overall tactical Standard Operating Procedures from regiment through battalion level, and recommends priorities regarding allocation of resources. He monitors the army’s surveillance activities and coordinates all aspects of maneuver, such as boundaries, locations of command posts, and areas for putting up quarters. He prepares operational records and reports, and ensures the implementation of administrative policies and procedures.
The S3 unit ensures the readiness of the whole command. The S3 Operations Sergeant identifies internal and external training programs. He carries out training programs according to the proposed syllabus and exercises. He conducts training tests, inspections and evaluations, and is responsible for recording and compiling training records and reports. After the implementation of the training programs, he assesses the readiness of the units and reports results to the S3 Operations Officer.
The S3 Operations Sergeant maintains statistics of the unit’s capabilities and performance. He is involved in assigning, attaching and detaching teams and units. He documents the force and makes recommendations regarding organization and equipment. He recommends, establishes and equips unit forces with the proper unit members, and organizes the command unit’s records.