51.   The zone is patrolled by Israeli troops and the Israeli-backed South Lebanon Army militia to try and prevent guerrilla attacks on northern Israel.

52.   The zones are patrolled by British and American warplanes flying from neighboring countries or from ships in the Gulf.

53.   The U.S. Central Command said that allied aircraft struck two Iraqi air defense sites on Saturday after anti-aircrafy artillery opened fire on planes patrolling the zone.

54.   The U.S. jets patrol the zone from Incirlik airbase in southern Turkey.

55.   The United States and its allies patrol the zone, and U.S. planes also provide aerial photos to U.N. weapons inspectors.

56.   The zone is patrolled by NATO-led troops, but they do not have the manpower to police every house in the zones.

57.   The zone is patrolled by NATO-led troops.

58.   Troops patrolling the zone are to prevent attacks on Israel by Shiite Muslim guerrillas.

59.   U.S. warplanes patrolling the zones in northern and southern Iraq have fired on Iraqi air defense sites, although it is unclear the extent of damage they have inflicted.

60.   Under the peace deal establishing the zone, Serb police patrolling the zone can only carry light weapons.