Listed below are some of the biosphere's major influences on greenhouse gases. 1  Plants: Carbon dioxide is taken out of the atmosphere by plants during the process of photosynthesis. This promotes cooler climates. 2  Farm animals: Methane gas is produced as farm animals such as cattle and sheep digest their food.
Signal intelligence incorporates the sub-disciplines of communications intelligence (COMINT) electronics intelligence (ELINT), and foreign instrumentation signals intelligence (FISINT). COMINT has the greatest impact on the day-to-day performance of Army missions.
Counterintelligence is part of intelligence cycle security, which, in turn, is part of intelligence cycle management. 1  A variety of security disciplines also fall under intelligence security management and complement counterintelligence, including: 2  Physical security. 3  Personnel security. 4  Communications security (COMSEC)