sentences:  Permission is not always automatic; for instance, in March 2000 it became known that the Israeli government had been refused permission to purchase BGM-109 Tomahawk missiles.Israel has the world's largest F-16 fleet outside the United States Air Force.With the delivery of 102 F-16Is, scheduled through 2008, the Israeli Air Force will have a total F-16 inventory of 362, in addition to 106 F-15s.