The Islamic Republic of Iran Navy has equipped one of its ageing Alvand-class (Vosper Mk 5) frigates with new indigenously developed combat systems.

IRIS Alborz , seen here post upgrade at the Iranian-hosted naval exercises held with Russia and China in late December 2019. Of note is the new Kamand CIWS system, new fire control equipment installed on newly constructed pedestals and structures, and a new EW system. (FARS News Agency/Mohsen Ataei)

Imagery of IRIS Alborz (72) from the recently concluded Iranian joint naval exercise with the navies of China and Russia held in late December 2019, shows that an AK-630M-based Kamand close in weapon system (CIWS) and what appears to be an associated fire control system (FCS) have been installed amidships behind the funnel.

The Islamic Republic of Iran Navy has equipped one of its ageing Alvand-class (Vosper Mk 5) frigates with new indigenously developed combat systems.

IRIS Alborz , seen here post upgrade at the Iranian-hosted naval exercises held with Russia and China in late December 2019. Of note is the new Kamand CIWS system, new fire control equipment installed on newly constructed pedestals and structures, and a new EW system. (FARS News Agency/Mohsen Ataei)

Imagery of IRIS Alborz (72) from the recently concluded Iranian joint naval exercise with the navies of China and Russia held in late December 2019, shows that an AK-630M-based Kamand close in weapon system (CIWS) and what appears to be an associated fire control system (FCS) have been installed amidships behind the funnel.

The Islamic Republic of Iran Navy has equipped one of its ageing Alvand-class (Vosper Mk 5) frigates with new indigenously developed combat systems.

IRIS Alborz , seen here post upgrade at the Iranian-hosted naval exercises held with Russia and China in late December 2019. Of note is the new Kamand CIWS system, new fire control equipment installed on newly constructed pedestals and structures, and a new EW system. (FARS News Agency/Mohsen Ataei)

Imagery of IRIS Alborz (72) from the recently concluded Iranian joint naval exercise with the navies of China and Russia held in late December 2019, shows that an AK-630M-based Kamand close in weapon system (CIWS) and what appears to be an associated fire control system (FCS) have been installed amidships behind the funnel.

The Islamic Republic of Iran Navy has equipped one of its ageing Alvand-class (Vosper Mk 5) frigates with new indigenously developed combat systems.

IRIS Alborz , seen here post upgrade at the Iranian-hosted naval exercises held with Russia and China in late December 2019. Of note is the new Kamand CIWS system, new fire control equipment installed on newly constructed pedestals and structures, and a new EW system. (FARS News Agency/Mohsen Ataei)

Imagery of IRIS Alborz (72) from the recently concluded Iranian joint naval exercise with the navies of China and Russia held in late December 2019, shows that an AK-630M-based Kamand close in weapon system (CIWS) and what appears to be an associated fire control system (FCS) have been installed amidships behind the funnel.

The Islamic Republic of Iran Navy has equipped one of its ageing Alvand-class (Vosper Mk 5) frigates with new indigenously developed combat systems.

IRIS Alborz , seen here post upgrade at the Iranian-hosted naval exercises held with Russia and China in late December 2019. Of note is the new Kamand CIWS system, new fire control equipment installed on newly constructed pedestals and structures, and a new EW system. (FARS News Agency/Mohsen Ataei)

Imagery of IRIS Alborz (72) from the recently concluded Iranian joint naval exercise with the navies of China and Russia held in late December 2019, shows that an AK-630M-based Kamand close in weapon system (CIWS) and what appears to be an associated fire control system (FCS) have been installed amidships behind the funnel.

The Islamic Republic of Iran Navy has equipped one of its ageing Alvand-class (Vosper Mk 5) frigates with new indigenously developed combat systems.

IRIS Alborz , seen here post upgrade at the Iranian-hosted naval exercises held with Russia and China in late December 2019. Of note is the new Kamand CIWS system, new fire control equipment installed on newly constructed pedestals and structures, and a new EW system. (FARS News Agency/Mohsen Ataei)

Imagery of IRIS Alborz (72) from the recently concluded Iranian joint naval exercise with the navies of China and Russia held in late December 2019, shows that an AK-630M-based Kamand close in weapon system (CIWS) and what appears to be an associated fire control system (FCS) have been installed amidships behind the funnel.