A Russian military expert questioned on...
air-defense system as a whole was obsolete while the S-300 was key to protecting the country"s entire territory.Iran said on Tuesday it still hoped Russia would fulfill its contract for the supply of S-300 systems.
Russia signed a contract with Iran on the supply of S-300 air defense systems in December 2005. However, there have been no official reports on the start of the contract"s implementation.
A senior Iranian military official also said Tuesday Iran could sue Russia in an international court if Moscow refused to fulfill its commitments on the delivery of S-300s to Tehran.
Tehran suspects Moscow has refused so far to honor the S-300 contract due to pressure from Washington and Tel Aviv.
Both the U.S. and Israel have not ruled out military action if diplomacy fails to resolve the dispute over Iran"s nuclear program and have expressed concern over S-300 deliveries, which would significantly strengthen Iran"s air defenses.