"The Navy's new subsurface vessel will be ready and launched soon to enhance the Army's power," Iranian Army Commander Major General Ataollah Salehi told reporters in December.
The submarine will be 60 meters long and have a displacement of over 1,300 tons. It will have six bays for torpedoes and marine cruise missiles.
The Be'sat, will be Iran's biggest domestically made submarine. The Iranian Navy also operates three Russian Kilo-class submarines with a displacement of 2,325 tons and six torpedo tubes but no cruise missile capacity.