11.   Frederick the Great of Prussia inherited a small country with a well-trained army that was surrounded by much larger countries, all of whom were potential enemies.

12.   If we persist in treating Russia as a potential enemy, we can hardly expect them to welcome U.S. security teams to their most secret installations.

13.   In a world with us as the only superpower, every other nation can be seen as the enemy or potential enemy.

14.   In computer war games, Pentagon planners pit future U.S. forces against potential enemies.

15.   In the strategic environment developing today, for instance, the United States faces not one potential enemy but many.

16.   Investigators queried other employees there about potential enemies and recurring threats, federal officials said.

17.   It turned up no sign of the potential enemy and returned to Pearl Harbor on Friday night.

18.   Many lawmakers and Pentagon officials may want to keep export controls tight to make it harder for potential enemies to create powerful weapons.

19.   Many experts say it would just complicate efforts to stop proliferation, by tempting potential enemies into building up their forces to overwhelm the defense.