The purpose of this manual is to provide guidance for combat engineers and supported maneuver units in the conduct of Joint/Combined Arms Operations in all types of operational environments. Specifically, this material will provide guidance in the conduct of combat engineering in support of the Brigade or Task Forces.      This manual contains information on Engineer Operations and its functions in all ranges of operations. It also outlines doctrinal concepts mainly as special enablers and how Mobility, Counter Mobility and Survivability enhance the effectiveness of supported units.      It is also highly applicable in both conventional and internal security operations.      The purpose of this manual is to provide guidance for combat engineers and supported maneuver units in the conduct of Joint/Combined Arms Operations in all types of operational environments. Specifically, this material will provide guidance in the conduct of combat engineering in support of the Brigade or Task Forces.      This manual contains information on Engineer Operations and its functions in all ranges of operations. It also outlines doctrinal concepts mainly as special enablers and how Mobility, Counter Mobility and Survivability enhance the effectiveness of supported units.      It is also highly applicable in both conventional and internal security operations.