The Iranian Ministry of Defence and Armed Forces Logistics held an exhibition of helicopter achievements at the site of Iran Helicopter Support and Renewal Industries (PANHA) on Monday.

In the exhibition, some achievements in the field of helicopters by the defense ministry experts in the naval field, including the upgrading of the Bell 212  helicopters of the Army Navy, were also displayed.

One of these achievements was upgrading the 212 helicopters of the Army Navy and equipping them with Sonar (Sound Navigation and Ranging) to detect submarines and also to confront vessels on the surface.

MNA