This Army Tactics, Techniques, and Procedures (ATTP) publication provides the doctrinal framework and tactical employment principles for the dismounted reconnaissance troop in the Infantry Brigade Combat Team's Reconnaissance Squadron. It is a companion to FM 3-21.10, The Infantry Rifle Company, and FM 3-20.971, Reconnaissance and Cavalry Troop, much of which applies to the dismounted reconnaissance troop and as such will not be repeated herein. This ATTP publication provides principles, tactics, techniques, and procedures for the employment of the dismounted reconnaissance troop throughout the spectrum of conflict. In-depth coverage of major topics covered in FM 3-21.10, but limited in discussion here, includes preparation for war, troop-leading procedures, battle command and control, offensive and defensive operations, risk management and fratricide avoidance, operations in a chemical, biological, radiological, and nuclear environment, Army health service support, media considerations, pattern analysis, and situation understanding.