Rajan Wilcox
The AIM-9 Sidewinder is a short-range, supersonic, heat-seeking, air-to-air missile. It has been in service with the United States Navy since 1956 and with the Air Force since 1964. The AIM-9 Sidewinder is one of the oldest, cheapest, and most successful air-to-air missiles, with an estimated 270 aircraft kills. While the exact cost of the fuel used by the AIM-9 Sidewinder is not publicly available, the missile itself has a hefty price tag of around $427,000 to $472,000 per unit.
| Characteristics | Values |
|---|---|
| Type | Short-range, supersonic, heat-seeking, air-to-air missile |
| Warhead | High-explosive, blast-fragmentation |
| Weight | 4.5 kg (10 lb) |
| Speed | Mach 1.7 above launch speed |
| Range | 900 m (3000 ft) to 4.8 km (2.6 nm) |
| Kill Radius | 9 m (30 ft) |
| Propulsion | Thiokol MK 17 solid-fuel rocket motor |
| Thrust | 17.8 kN (4000 lb) |
| Duration | 2.2 s |
| Turn Rate | 12G |
| Guidance System | Infrared heat-seeking, passive infrared, IIR (Imaging Infrared) seeker |
| Users | United States Navy, Air Force, Western fixed-wing combat aircraft, helicopters |
| Cost | USD $56,000 to USD $84,000 (FY 1999) |
| Latest Version | AIM-9X Block II |
| Latest Cost | $455,000 each (FY2023) |
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What You'll Learn
The AIM-9X Sidewinder missile costs $427,000
The AIM-9 Sidewinder is a short-range, supersonic, heat-seeking, air-to-air missile. It entered service with the United States Navy in 1956 and with the Air Force in 1964. The AIM-9 is one of the oldest, cheapest, and most successful air-to-air missiles, and its variants remain standard equipment in most Western-aligned air forces. The unit cost of the AIM-9 Sidewinder ranges from USD $56,000 to USD $84,000 (as of FY 1999).
The AIM-9 has undergone continuous improvements and updates since its inception. One of the latest variants is the AIM-9X, which features a new airframe with smaller fins and canards for lower drag and higher flight performance. It also has a completely new guidance section with an IIR (Imaging Infrared) seeker, providing significantly improved detection and tracking performance during the daytime. The AIM-9X is fully compatible with the JHMCS (Joint Helmet-Mounted Cueing System) for target acquisition.
The high cost of the AIM-9X Sidewinder missile can be attributed to several factors. Firstly, the missile incorporates state-of-the-art technology, including the IIR seeker, which enables superior tracking and detection capabilities. The development and integration of such advanced systems can be costly. Additionally, the AIM-9X has a new propulsion section, the WPU-17/B, which provides enhanced agility and performance. The development and testing of propulsion systems can also contribute significantly to the overall cost.
Moreover, the AIM-9X is designed to be compatible with a range of aircraft and launching systems, including stealthy fighters like the F/A-22 Raptor and the F-35 Joint Strike Fighter. Ensuring compatibility and integration with various platforms likely incurs additional engineering and modification costs. Furthermore, the AIM-9X, like other military equipment, may be subject to complex procurement processes, including research and development, manufacturing, testing, and contractual requirements, all of which can influence the final cost.
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It has a 20-year lifespan
The AIM-9 Sidewinder is a short-range, supersonic, heat-seeking, air-to-air missile. It is one of the oldest, cheapest, and most successful missiles in its category. It has been in service with the United States Navy since 1956 and with the Air Force since 1964. Over the years, the AIM-9 Sidewinder has undergone continuous improvements and updates, with the latest variants remaining standard equipment in most Western-aligned air forces.
The AIM-9 Sidewinder is propelled by a solid-fuel rocket motor, specifically the Thiokol MK 17 solid-fuel rocket motor in the case of the AIM-9A/B variant. This rocket motor provides significant thrust, enabling the missile to achieve speeds of up to Mach 1.7 above its launch speed. The AIM-9 Sidewinder has a high-explosive warhead and an infrared heat-seeking guidance system.
The lifespan of the AIM-9 Sidewinder is an important consideration in its deployment and usage. Like any piece of military hardware, missiles have a finite service life or shelf life. For the AIM-9, this service life is specified as 20 years. This means that the missile is designed and expected to remain operational and effective for up to 20 years from the date of manufacture or activation. This 20-year lifespan is a standard benchmark for the AIM-9 and similar missile systems, ensuring their reliability and performance within this timeframe.
The 20-year lifespan of the AIM-9 Sidewinder takes into account various factors that can impact the longevity of the missile. These factors include the anticipated lifespans of individual components, such as the rocket motor, warhead, guidance system, and structural integrity. Environmental conditions, storage methods, and maintenance practices also play a role in determining the service life. Regular maintenance, proper storage conditions, and protection from extreme temperatures and humidity can help extend the lifespan of the missile.
Throughout its 20-year lifespan, the AIM-9 Sidewinder undergoes periodic inspections, testing, and refurbishment to ensure its reliability and performance. These maintenance activities may include replacing or refurbishing certain components, such as the rocket motor, warhead, or guidance system, to ensure they remain functional and accurate. The 20-year service life also allows for technological advancements and updates to be incorporated into the missile, enhancing its capabilities and extending its operational relevance.
The AIM-9 Sidewinder's 20-year lifespan is a critical aspect of its logistical and strategic considerations. It provides a timeframe for military planners to manage their inventory, procurement, and deployment strategies. Beyond the 20-year mark, the missile may still be operational, but its performance and reliability may start to degrade, and the likelihood of component failures or malfunctions increases. Therefore, the 20-year lifespan serves as a guideline for the optimal period during which the AIM-9 Sidewinder can be confidently relied upon for its intended missions.
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It's a short-range, supersonic, heat-seeking missile
The AIM-9 Sidewinder is a short-range, supersonic, heat-seeking missile. It is one of the oldest, cheapest, and most successful air-to-air missiles in the West, with over 110,000 missiles produced for the U.S. and 27 other nations. The AIM-9 entered service with the United States Navy in 1956 and with the Air Force in 1964. Its latest variants remain standard equipment in most Western-aligned air forces.
The AIM-9 Sidewinder uses a solid rocket motor for propulsion and is equipped with a high-explosive, continuous-rod fragmentation warhead. It has an infrared heat-seeking guidance system, allowing it to track and intercept targets based on temperature differences. The missile's seeker head has all-aspect capabilities, enabling it to track targets at various angles from its direct line of sight. This makes the AIM-9 highly manoeuvrable and effective in engaging aircraft at different positions.
The AIM-9 Sidewinder has been continually improved over the years, with newer models such as the AIM-9L, AIM-9M, and AIM-9X enhancing the seeker head's gimbal range and off-boresight capabilities. The AIM-9X, in particular, introduces advanced features such as an improved infrared counter-countermeasure system, datalink, and thrust vectoring manoeuvrability. These advancements enable the AIM-9X to engage targets on the ground and provide fighter aircrews with enhanced lethality and survivability during air combat.
The AIM-9 Sidewinder has been widely used in combat, with an estimated 270 aircraft kills. Its versatility, reliability, and relatively low cost have contributed to its longevity in military inventories. The missile has been built under license by Sweden and other nations, further expanding its global presence and impact on modern warfare. The AIM-9's ongoing development and integration into military strategies demonstrate its enduring significance in the defence and aerial combat capabilities of Western-aligned air forces.
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It uses a solid-fuel rocket motor
The AIM-9 Sidewinder is a short-range, supersonic, heat-seeking, air-to-air missile. It is one of the oldest, cheapest, and most successful air-to-air missiles, with the latest variants remaining standard equipment in most Western-aligned air forces.
The AIM-9 uses a solid-fuel rocket motor. The AIM-9A/B, for example, was propelled by a Thiokol MK 17 solid-fuel rocket motor, which could propel the missile to a speed of Mach 1.7 above launch speed. The AIM-9C and AIM-9D models introduced the Rocketdyne Mk.36 solid motor, providing greater range and a new guidance system. The Mk.36 motor was also used in the AIM-9X, which was produced by Raytheon and Boeing. The AIM-9X incorporates thrust-vector control and aero control to allow more aggressive turning and reliable performance.
The Mk.36 motor is also known as the Hercules MK 36 solid-fuel rocket motor, which was developed to improve the performance of the AIM-9B. The Hercules MK 36 motor significantly increased the missile's speed and range, allowing it to fly up to 18 km. This improved version of the AIM-9 was designated the AIM-9C and AIM-9D, with the former being used only with the Navy's F8U Crusader fighters.
The AIM-9 missile has undergone continuous improvements and updates since its introduction, with the latest projected versions being the AIM-9R and AIM-9X. The AIM-9X features a new propulsion section with a jet-vane steering system for significantly enhanced agility. It also has a new guidance section with an IIR (Imaging Infrared) seeker, which offers improved detection and tracking performance.
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It's one of the oldest, cheapest, and most successful air-to-air missiles
The AIM-9 Sidewinder is a short-range, supersonic, heat-seeking, air-to-air missile. It has been in service with the United States Navy since 1956 and with the Air Force since 1964, making it one of the oldest air-to-air missiles still in use. The AIM-9 Sidewinder is also considered one of the cheapest and most successful air-to-air missiles. Its latest variants are still standard equipment in most Western-aligned air forces.
The AIM-9 Sidewinder was first successfully fired in September 1953, and missile production began in 1955. The AIM-9A and AIM-9B were the first models of the missile, mainly used for training pilots in air combat techniques. Over time, the AIM-9 Sidewinder has undergone various improvements to enhance its performance, including changes to the missile nose, seeker, cooling system, actuator system, and warhead. The AIM-9 Sidewinder has a high-explosive warhead and an infrared heat-seeking guidance system.
The AIM-9 Sidewinder has seen extensive use in combat, including during the Vietnam War, where it had a low success rate with the early models. However, the AIM-9J, an upgraded version of the AIM-9E, demonstrated a higher kill rate per missile fired and improved effectiveness per engagement compared to its competitors. Nearly 100,000 first-generation AIM-9 Sidewinders were produced, and the missile has continued to evolve with newer variants such as the AIM-9C, AIM-9D, AIM-9G, AIM-9M, and AIM-9X.
The AIM-9X Sidewinder is the latest iteration of the missile and has been reported to cost around $472,000 per unit. While this is a significant expense, it is still considerably cheaper than other advanced missiles such as the AMRAAM, which costs around $1 million per missile. The AIM-9 Sidewinder's relatively low cost, combined with its effectiveness and long history of use, contribute to its reputation as one of the cheapest and most successful air-to-air missiles.
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Frequently asked questions
The AIM-9 Sidewinder is a short-range, supersonic, heat-seeking, air-to-air missile. It costs $427,000 per unit.
The AIM-9 does not use fuel in the traditional sense. It has a hot-gas generator that burns for around 20 seconds, generating sufficient voltage to power its systems.
The AIM-9 entered service with the US Navy in 1956 and the Air Force in 1964. It is one of the oldest and most successful air-to-air missiles.
The AIM-9 is a short-range missile. Its exact range is not publicly available, but it has been used effectively in combat since the 1950s.
