[xzins]

There are probably ways to have nukes in a "just in time" configuration that cannot be detected by inspectors.

There are probably ways to design nukes that are not identifiable as nukes.

[Sender]

Israel could technically agree to remove all nukes from it's soil and still be secure.

Israel's seaborne nuclear doctrine is designed to place one submarine in the Persian Gulf, the other in the Mediterranean, with a third on standby. Secret test launches of the cruise missile systems were understood to have been undertaken in May 2000 when Israel carried out tests in the Indian Ocean. -Guardian UK 10/12/03