|Arthur Dominic Villasanta |||Aug 09, 2016 08:48 AM EDT|
(Photo : USAF) Configuration of SBIRS: GEO, HEO and Low components.
Lockheed Martin's newest Space Based Infrared System (SBIRS) Geosynchronous Earth Orbit (GEO) satellite to be launched in October will provide the U.S. Air Force with improved detection and tracking of more powerful intercontinental ballistic missiles (ICBMs) such as China's DF-41 (Dongfeng-41).
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The upgraded SBIRS constellation will consist of four dedicated satellites operating in GEO, hosted payloads on two host satellites operating in a Highly Elliptical Orbit (HEO) and ground hardware and software. SBIRS is an integrated "system of systems" designed to better protect the United States from more modern ICBMs with longer range and armed with multiple nuclear warheads.
The newest SBIRS satellite, GEO Flight 3, will launch aboard a United Launch Alliance Atlas V rocket this October. GEO Flight 3 will use infrared surveillance to provide early missile warning. It will be followed in 2017 by GEO Flight 4, which will undergo final assembly, integration and test operations prior to its planned launch.
SBIRS GEO-5 and GEO-6, which are currently in production, will be the new modernized A2100 spacecraft that can incorporate future, modernized sensor suites.
Together, these four new SBIRS satellites enhance the U.S. military's ability to detect missile launches and support ballistic missile defense. It also expands technical intelligence gathering and improves situational awareness on the battlefield.
The first GEO satellite of the SBIRS program, GEO-1, was successfully launched from Cape Canaveral in 2011. It was followed by seven other satellites.
The entire SBIRS constellation is a consolidated system intended to meet the United States' infrared space surveillance needs through the first three decades of the 21st century. The SBIRS program is designed to provide key capabilities in the areas of missile warning, missile defense and battlespace characterization.
The addition of the four new SBIRS satellites will increase the vulnerability of China's DF-41 ICBM to earlier detection and destruction. When it becomes operational, probably within this decade, the DF-41 will be the world's longest ranged missile.
It is believed to have an operational range of 15,000 kilometers, which would place all of the continental United States within reach of this missile and its multiple warheads. The high-hypersonic DF-41 is said to have a top speed of Mach 25 or 31,000 km/h.
This solid-fueled road-mobile ICBM is still in the flight-test stage of development. China began development of this weapon in 1986.
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