The term 'Pentagon VIPs' refers to the highest-ranking members of the United States military. The four-letter solution, GENS, stands for Generals, the highest rank in the Army, Air Force, and Marine Corps. The eight-letter solution, TOPBRASS, is a slang term for high-ranking military officers. The thirteen-letter solution, MILITARYBRASS, is another slang term for the same group of people. Together, these three solutions refer to the most senior members of the United States military, who are based at the Pentagon in Washington, D.C.