After the test, the head of Iran's Revolutionary Guards, General Yahya Rahim Safavi, said Iran is now able to confront any invasion.
Iran says it has been testing new missile and torpedo technologies as part of military exercises in the Persian Gulf and Sea of Oman, including a radar-evading rocket and a high-speed underwater missile.
Iranian Foreign Minister Manuchehr Mottaki said on April 4 that Tehran's military policy is fundamentally defensive, stressing that Iran is "not a threat" but, rather "positive...for the security of the region."
Iran rarely gives enough details of its military hardware for analysts to determine whether Tehran is making genuine military-industrial advances. The war games come as international pressure mounts on Iran over its nuclear program.
(compiled with agency reports)