There have been many different challenges in the strategic plan, some of the most difficult challenges are: "that entities intending to harm the United States become increasingly sophisticated in their methods of obtaining illegal entry, the workload is unpredictable and… there is variety in the motivations of some entities to exploit our immigration system for immoral purposes. (Service, 2007, p. 7) The USCIS Strategic Plan implemented different visions to protect the security of the United States: strengthening the security and integrity of the system; provide effective immigration benefits and information services; American culture; promote flexible policies and programs and “strengthen the infrastructure supporting USCIS's mission and operate as a high-performing organization that promotes a highly talented workforce” (Service, 2007, p..