XM1156 Precision Guidance Kit
- XM1156 Precision Guidance Kit
The XM1156 Precision Guidance Kit is a U.S. Army program to develop a precision guidance system for existing 155 mm artillery shells.[ [http://www.globalsecurity.org/military/systems/munitions/m1156.htm XM1156 Precision Guidance Kit (PGK) - Global Security] ] The prime contractor is Alliant Techsystems, leading a team including Rockwell Collins and Draper Labs.]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.[cite web|url=http://defensenews.com/story.php?F=2793630&C=america|title=ATK To Make Precision Artillery Shell - defensenews.com] ]pecifications
* Guidance: GPS
* Accuracy:
** Increment I: < 50 m circular error probable (CEP).
** Increment II: < 30 m CEP.[cite web|url=http://www.defense-update.com/products/p/pgk.htm|title=Precision Guidance Kit (PGK) Improving the Accuracy of Artillery Fire - Defense Update] ]
* Unit cost: < $3000 [ [http://www.aviationweek.com/aw/generic/story_channel.jsp?channel=defense&id=news/ARMY042507.xml Army munitions officials eye pending developments - Aviation Week] ] 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. [cite web|url=http://atk.mediaroom.com/index.php?s=press_releases&item=679|title=ATK Awarded Precision Guidance Kit Contract After Multi-Day Competitive Shoot-Off - ATK]
References
ee also
* XM982 Excalibur
External links
* [http://www.atk.com/Customer_Solutions_MissionSystems/cs_ms_w_gp_pgk.asp Precision Guidance Kit (PGK) - ATK]
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