The crossword solution for the term US TO POGO is ENEMY, which is a five-letter word. The term US TO POGO refers to the Cold War era of the 1950s and 1960s when the United States and the Soviet Union were in a state of tension and hostility. The term 'pogo' was used to describe the back-and-forth movement of the two superpowers during this time. Thus, the term US TO POGO can be interpreted as the relationship between the two countries, with the answer being 'ENEMY'.