IntroductionThe security of the United States and living free from constant threat should be very important to all citizens and those who visit this country . The research revealed some interesting facts: It is impossible to secure every commercial building, airport, bridge, ring road and government building. One element of security is that terrorists will not have the ability to attack anywhere in the United States. However, everything is a possible target and terrorists want to do as much damage as possible and disrupt our way of life as much as possible. The Department of Homeland Security is responsible for protecting the United States of America. However, this is a very complex and difficult job, an overwhelming amount of information must be shared and filtered daily. Terrorists can attack at any time and will change their plans to randomly attack a less protected target. The Department of Homeland Security must make decisions and decide which possible targets to give the highest priority based on available information. The higher the possibility of a target being attacked, the more resources are required. The most critical targets have visible guards and a control system in place (Mueller 2010).ChallengesThere are more than five million commercial buildings in the United States. Even if every commercial building is a possible target, there are not enough resources to protect five million possible targets. In the United States, everything is a potential target and it is impossible to change some fundamental principles used to protect the homeland. Therefore, DHS must work within these constraints. The number of terrorists appears to be a small percentage and...... middle of paper ......59. Retrieved from Academic Search Premier database. Mueller, J. (2010). Assessment of measures intended to protect the homeland. Journal of Political Studies, 38(1), 1-21. doi:10.1111/j.1541-0072.2009.00341.x. Penn, E., Higgins, G., Gabbidon, S., & Jordan, K. (2009). Government Efforts on Homeland Security and Crime: Public Views and Opinions. American Journal of Criminal Justice, 34(1/2), 28-40. doi:10.1007/s12103-008-9052-0. Renuart, G. (2009). HOW THE MILITARY SUPPORTS HOMELAND SECURITY. Proceedings of the United States Naval Institute, 135(10), 26-31. Retrieved from Academic Search Premier database. Stockton, P. (2009). Reform, don't merge, the Homeland Security Council. Washington Quarterly, 32(1), 107-114. doi:10.1080/01636600802535523. Williams, M. (2009). Internal security and NATO policy. Military Technology, 33(10), 95-100. Retrieved from Academic Search Premier database.