BP battle position British junction knot knot used to join the ends of detonation cords from multiple charges to one initiation system BTC bridge team commander BTL Bravo Team leader BTM Bravo Team C2 command and control CAS close air support CASEVAC casualty evacuation CCA close combat attack CCIR commander's critical information requirements CCP casualty collection point CDR commander CDS Camp Darby Special (map) CLS combat lifesaver CO company COA course of action COMSEC communications security cordelette short section of static rope or static cord. Also called "sling rope" COTS commercial off the shelf CP command post CPR cardiopulmonary resuscitation CQC close quarters combat CS combat support CSS obsolete: now referred to as sustainment CTT common task test DAR designated area of recovery DOL direction of landing double Figure 8 knot knot used to form a fixed loop in the end of the rope; loops are large enough to insert a carabiner double overhand knot knot used to secure the end of detonation cord DP duty position; decision point (depending on context) DST distance DTG date-time group dynamic ropes one of two classifications of kernmantle rope; used for climbing; see also static rope DZ drop zone EA engagement area EEFI essential elements of friendly information EENT end evening nautical twilight End-of-the-Rope Clove Hitchintermediate anchor knot that requires constant tension