Iranian IRIS Dena & IRIS Makran dock in Brazil despite US pressure.

Despite American pressure, the two Iranian ships IRIS Dena and IRIS Makran were finally able to dock in Rio de Janeiro, Brazil. The two ships left Iran for a long-term deployment that could take them through the Panama Canal.
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Iranian Moudge class frigate IRIS Dena. (Picture source: Indonesian MoD)

The Moudge or Mowj is a class of domestically-produced Iranian light frigates. They have a displacement of 1,500 tonnes and a length of 95 m (311.7 ft), a beam of 11.1 m (36.4 ft), and a draught of 3.25 m (10.7 ft).

The ships are powered by two 10,000 hp (7,500 kW) engines and four 740 hp (550 kW) diesel generators, giving them a top speed of 30 knots (55.6 km/h).

The Moudge class frigates have a crew complement of 140 and are equipped with the Asr 3D PESA long-range radar and two 8-tube chaff launchers for electronic warfare and decoys. In terms of armament, they carry one 76 mm Fajr-27 naval gun, one 40 mm Fath-40 anti-aircraft gun or a 30 mm Kamand Close-In Weapon System, two 20 mm Oerlikon cannons, and two 12.7 mm heavy machine guns.

For surface-to-air missiles, the frigates are equipped with four Mehrab SAM, a naval version of the Sayyad-2, and for surface-to-surface missiles, they carry four Noor or Qader anti-ship missiles. For anti-submarine warfare, the ships have two triple 324 mm torpedoes.

The Moudge class frigates are also equipped with a helicopter landing pad and can carry one Bell 214 ASW helicopter.