XM1156 Precision Guidance Kit
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The XM1156 Precision Guidance Kit is a U.S. Army program to develop a precision guidance system for existing 155 mm artillery shells.[1] The prime contractor is Alliant Techsystems, leading a team including Rockwell Collins and Draper Labs.
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[edit] Overview
In operation the PGK will screw into the nose of the projectile much like the existing fuze. However as well as the fuzing function it will provide a GPS guidance package and control surfaces to correct the flight of the shell. This is analogous to the addition of a JDAM tail-kit to a dumb iron bomb, creating a precision guided munition. The system is currently expected to begin production in 2009, and to be in-service by 2010.[2]
[edit] Specifications
- Guidance: GPS
- Accuracy:
- Increment I: < 50 m circular error probable (CEP).
- Increment II: < 30 m CEP.[3]
- Unit cost: < $3000 [4]
[edit] Program status
- June 2006 - Raytheon downselected from XM1156 competition.
- July 2006 - BAE Systems and Alliant Techsystems selected to take part in a competitive Technical Development (TD) program.
- May 2007 - System Demonstration and Development (SDD) contract awarded to Alliant Techsystems.[5]
[edit] References
- ^ XM1156 Precision Guidance Kit (PGK) - Global Security
- ^ ATK To Make Precision Artillery Shell - defensenews.com.
- ^ Precision Guidance Kit (PGK) Improving the Accuracy of Artillery Fire - Defense Update.
- ^ Army munitions officials eye pending developments - Aviation Week
- ^ ATK Awarded Precision Guidance Kit Contract After Multi-Day Competitive Shoot-Off - ATK.
[edit] See also
[edit] External links
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