ATP 3-34.5/MCRP 4-11B provides guidance on integrating environmental considerations into operations. This manual defines environmental considerations and provides guidance on integrating them into the operations process. This manual also provides guidance on the development of command environmental programs and standard operating procedures (SOPs) to support operations and training. ATP 3-34.5/MCRP 4-11B establishes and explains the principles of environmental support during operations and the ways in which United States Army (USA) and United States Marine Corps (USMC) commanders develop and implement command environmental programs.