Analyze the strategy, tactics, and tools available to agencies within the U.S. to perform counterterrorism operation, as well as the strategy, tactics, and tools that are available to U.S. agencies and the military to perform counterterrorism operations outside of the U.S. Note key differences between counterterrorism strategy, tactics, and tools in and outside the U.S. Based on your analysis explain why it is or is not necessary for the U.S. to maintain a presence abroad to perform counterterrorism operations.