Aside from Qasem Basir, the IRGC also test-fired the anti-ship variant of the Kheibar Shekan on September 13, which is apparently equipped with an electro-optical (EO) seeker. #Iran is clearly working to improve its anti-ship ballistic missile (ASBM) capabilities, particularly after its existing inventory of anti-ship cruise missiles (ASCMs) proved ineffective against U.S. Navy assets in the Arabian Sea.