--- On Sat, 28/5/11, Mohammed Nasir <cheegi27@yahoo.com> wrote: From: Mohammed Nasir <cheegi27@yahoo.com> Subject: <AWARENESS> Yaum - e - Takbeer Special - A Tribute to Our National Hero Dr. A. Q. Khan To: Date: Saturday, 28 May, 2011, 10:01 AM
Hataf - IV Shaheen - I
Hataf - V Ghauri
Hataf - VI Shaheen
Hataf - VII Babur (Cruise Missile)
Aircraft & Naval Delivery of Pakistani Nuclear Warheads (Details are at the bottom of this Presentation)
Pride of Pakistan JF 17 Thunder Flying on Jehlum River
F - 16 Pakistan Fighter Aircraft
Mirage Flying over Korakoram Mountains
A-5C armed with four HAFR-2 anti-runway bombs on a training mission
F - 7P Standing on Chaklala Airbase on Airforce Day
PNS-M Hamza, photographed at PNS Qasim during the Joint Forces Display held at the conclusion of IDEAS 2006 Defence Exhibition
In the mid 1980s, Pakistan Atomic Energy Commission began to pursue Plutonium production capabilities. Consequently Pakistan built the 40-50 MW (megawatt, thermal) Khushab Research Reactor at Joharabad, and in April 1998, Pakistan announced that the nuclear reactor was operational. The Khushab reactor project was initiated in 1986 by PAEC chairman Munir Ahmad Khan, who informed the world that the reactor was totally indigenous, i.e. that it was designed and built by Pakistani scientists and engineers. Various Pakistani industrys contributed in 82% of the reactor's construction. The Project-Director for this project was Sultan Bashiruddin Mahmood. According to public statements made by the US Government officials, this heavy water reactor can produce up to 8 to 10 kg of plutonium per year with increase in the production by the development of newer facilities, sufficient for at least one nuclear weapon. The reactor could also produce tririum if it were loaded with lithium – 6, although this is unnecessary for the purposes of nuclear weapons, because modern nuclear weapon designs use Li directly. According to J. Cirincione of Carnefie Endowment for International Peace, Khushab's Plutonium production capacity has allowed Pakistan to develop lighter nuclear warheads that would be easier to deliver to any place in the range of the ballistic missiles. The critical mass of a bare mass sphere of 90% enriched uranium-235 is 52 kg. Correspondingly, the critical mass of a bare mass sphere of plutonium-239 is 8–10 kg. The bomb that destroyed Hiroshima used 60 kg of U-235 while the Nagasaki Pu bomb used only 6 kg of Pu-239. Since all Pakistani bomb designs are implosion-type weapons, they will typically use between 15–25 kg of U-235 for their cores. Reducing the amount of U-235 in cores from 60 kg in gun-type devices to 25 kg in implosion devices is only possible by using good neutron reflector/tamper material such as beryllium metal, which increases the weight of the bomb. And the uranium, like plutonium, is only usable in the core of a bomb in metallic form. Add about 50 or so chemical high-explosive lenses, triggering circuits, and outer aluminium casing, all this adds to the overall weight of the device. Therefore if a bomb has to use only U-235, that will impose serious restrictions on the amount of U-235 that can be used, and the size of the bomb itself, thus restricting its explosive yield. True PAEC did develop bomb designs that could be carried by all PAF aircraft, but after years of effort and R&D, and then too, there were serious limitations on the further extent of miniaturization of the bombs. If uranium is used as bomb fuel, it cannot be miniaturized beyond a certain point. There are two units operating the Chinese-built A – 5 (No. 16 Sqn and No. 26 Sqn), an aircraft believed to be a leading candidate for the aerial delivery of Pakistan's nuclear weapons. The others are the Mirage IIIOs, Mirage IIIODs and Mirage IIIEs. The Pakistan Air Force, currently, operates some 156 Mirage (III & V) aircraft. The allocation of 90 of these aircraft is not, currently, known. Pakistan also has 46 F – 16 Fighter aircraft—all block 15s. As of now, it recently received 2 block 15OCUs through Peace Gate 3/4 as a good-will gesture from the US Government in November 2006. All of these F-16s are capable of delivering nuclear warheads, they are split into 2 squadrons, both stationed at PAF Sargodha. It is rumoured that the 34 current PAF F-16s have been modified for nuclear weapons delivery by PAC, Kamra. Also, in the 1990s, the PAF F-16s have practiced toss-bombing which is a method to deliver nuclear weapons. Pakistan prefers to use ballistic missiles and cruise missiles to deliver nuclear warheads because they have a much longer range than aircraft and do not need the airspace to be cleared of aircraft and SAMS. Naval Delivery: PNS Hamza has just been commissioned last year in August, This submarine is an Augosta 90B and, with a number of modifications, will be able to fire ballistic missiles. These modifications may be happening soon. It is the first submarine in the world to be equipped with the special MESMA Air Independent Propulsion system. This increases diving duration compared to conventional submarines, and gives the Pakistan navy a tactical advantage. It can also fire Babur Cruise Missiles. Soon, other ships and submarines will be retrofitted to fire ballistic missiles and cruise missiles.
Missiles Delivery |
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