Sukhoï Su-24

Su-24M ('Fencer-D')

Work on upgrading the Su-24 was started in 1971, and included the addition of [Vous devez être inscrit et connecté pour voir ce lien] and expansion of attack capabilities with even more payload options.

T-6M-8 prototype first flew on 29 June 1977, and the first production Su-24M flew on 20 June 1979.

The aircraft was accepted into service in 1983.

Su-24M has a 0.76 m (30 in) longer fuselage section forward of the cockpit, adding a retractable refueling probe, and a reshaped, shorter [Vous devez être inscrit et connecté pour voir ce lien] for the attack radar. It can be identified by the single nose probe in place of the three-part probe of earlier aircraft.

A new PNS-24M [Vous devez être inscrit et connecté pour voir ce lien] system and digital computer were also added. A Kaira-24 [Vous devez être inscrit et connecté pour voir ce lien]/TV system (similar to the American [Vous devez être inscrit et connecté pour voir ce lien]) was fitted in a bulge in the port side of the lower fuselage for compatibility with guided weapons, including [Vous devez être inscrit et connecté pour voir ce lien] and TV-guided bombs, and [Vous devez être inscrit et connecté pour voir ce lien] (AS-12 'Kegler') and [Vous devez être inscrit et connecté pour voir ce lien]
(AS-13 'Kingbolt') missiles.
The new systems led to a reduction in internal fuel amounting to 85 l (22.4 US gal). Su-24M was manufactured in 1981-1993.

Su-24M2 ('Fencer-D')

Next modernization of Su-24M introduced in 2000. The modernized planes are equipped with new equipment and systems.
As a result, they get new capabilities and improved combat efficiency, including new navigation system (SVP-24), new weapons control system, new HUD (ILS-31, like in Su-27SM) and expanding list of usable munitions (Kh-31A/P, Kh-59MK, KAB-500KR). The last batch was delivered to the Russian VVS in 2009

Su-24MK ('Fencer-D')

Export version of the Su-24M with downgraded avionics and weapons capabilities. First flight 30 May 1987 as T-6MK, 17 May 1988 as Su-24MK. Manufactured 1988-1992, sold to Algeria, Iran, Iraq, Libya, and Syria.

Su-24MR ('Fencer-E')

Dedicated tactical [Vous devez être inscrit et connecté pour voir ce lien] variant. First flight 25 July 1980 as T-6MR-26, 13 April 1983 as Su-24MR.

Entered service in 1983. Su-24MR retains much of the Su-24M's navigation suite, including the terrain-following radar, but deletes the Orion-A attack radar, the laser/TV system, and the cannon in favor of two panoramic [Vous devez être inscrit et connecté pour voir ce lien]
installations, 'Aist-M' ('Stork') TV camera, RDS-BO 'Shtik' ('Bayonet') side-looking airborne radar (SLAR), and 'Zima' ('Winter') infrared reconnaissance system. Other sensors are carried in pod form.
Manufactured 1983-1993.

Su-24MP ('Fencer-F')

Dedicated electronic signals intelligence ([Vous devez être inscrit et connecté pour voir ce lien]) variant, intended to replace the [Vous devez être inscrit et connecté pour voir ce lien].
First flight 14 March 1980 as T-6MP-25, 7 April 1983 as Su-24MP.
The Su-24MP has additional antennas for intelligence-gathering sensors, omitting the laser/TV fairing, but retaining the cannon and provision for up to four R-60 (AA 8 missiles for self-defense. Only 10 were built.