![Defence Blog on Twitter: "U.S. Air Force to cancel Raytheon's troubled contract for new ground-based radar system https://t.co/nz59xvErLQ https://t.co/S8gogfmlxr" / Twitter Defence Blog on Twitter: "U.S. Air Force to cancel Raytheon's troubled contract for new ground-based radar system https://t.co/nz59xvErLQ https://t.co/S8gogfmlxr" / Twitter](https://pbs.twimg.com/media/EN6drcyWoAAjmFO.jpg:large)
Defence Blog on Twitter: "U.S. Air Force to cancel Raytheon's troubled contract for new ground-based radar system https://t.co/nz59xvErLQ https://t.co/S8gogfmlxr" / Twitter
![An AN/TPN-18A ground controlled approach radar system in operation at a landing zone during the Super Joint Army/Air Force Tactical Training exercise. Visible in the background is a C-130 Hercules aircraft in-flight An AN/TPN-18A ground controlled approach radar system in operation at a landing zone during the Super Joint Army/Air Force Tactical Training exercise. Visible in the background is a C-130 Hercules aircraft in-flight](https://nara-media-001.s3.amazonaws.com/arcmedia/stillpix/330-cfd/1985/DF-ST-85-05067.jpeg)
An AN/TPN-18A ground controlled approach radar system in operation at a landing zone during the Super Joint Army/Air Force Tactical Training exercise. Visible in the background is a C-130 Hercules aircraft in-flight
![US Air Force (USAF) AIRMAN First Class (A1C), Robert Gribble, a Ground Radar System (GRS) technician, assigned to the 99th Communications Squadron (CS), Nellis Air Force Base (AFB), Nevada (NV), performs a check of the timing system of an Airport ... US Air Force (USAF) AIRMAN First Class (A1C), Robert Gribble, a Ground Radar System (GRS) technician, assigned to the 99th Communications Squadron (CS), Nellis Air Force Base (AFB), Nevada (NV), performs a check of the timing system of an Airport ...](https://cdn10.picryl.com/photo/2004/01/27/us-air-force-usaf-airman-first-class-a1c-robert-gribble-a-ground-radar-system-385e55-1024.jpg)
US Air Force (USAF) AIRMAN First Class (A1C), Robert Gribble, a Ground Radar System (GRS) technician, assigned to the 99th Communications Squadron (CS), Nellis Air Force Base (AFB), Nevada (NV), performs a check of the timing system of an Airport ...
![U.S. Air Force Senior Airman Brendan Milligan, 20th Operations Support Squadron (OSS) ground radar systems technician, center, checks radar parameter values at a monitor and a Digital Airport Surveillance Radar control screen U.S. Air Force Senior Airman Brendan Milligan, 20th Operations Support Squadron (OSS) ground radar systems technician, center, checks radar parameter values at a monitor and a Digital Airport Surveillance Radar control screen](https://c8.alamy.com/comp/MMD19N/us-air-force-senior-airman-brendan-milligan-20th-operations-support-squadron-oss-ground-radar-systems-technician-center-checks-radar-parameter-values-at-a-monitor-and-a-digital-airport-surveillance-radar-control-screen-as-airman-1st-class-darricka-sides-20th-oss-airfield-systems-technician-right-and-staff-sgt-rajiv-shetty-20th-oss-ground-radar-systems-noncommissioned-officer-in-charge-observe-at-shaw-air-force-base-sc-oct-4-2017-milligan-ensured-the-parameters-were-within-the-established-standards-and-tolerances-while-describing-the-process-to-non-ground-radar-systems-airme-MMD19N.jpg)
U.S. Air Force Senior Airman Brendan Milligan, 20th Operations Support Squadron (OSS) ground radar systems technician, center, checks radar parameter values at a monitor and a Digital Airport Surveillance Radar control screen
![File:U.S. Air Force Senior Airman Scott Lacey, a ground radar systems maintainer with the 727th Expeditionary Air Control Squadron, inspects an AN-TPS-75 radar system at an undisclosed location in Southwest Asia 130121-F-ME639-214.jpg - File:U.S. Air Force Senior Airman Scott Lacey, a ground radar systems maintainer with the 727th Expeditionary Air Control Squadron, inspects an AN-TPS-75 radar system at an undisclosed location in Southwest Asia 130121-F-ME639-214.jpg -](https://upload.wikimedia.org/wikipedia/commons/thumb/7/7f/U.S._Air_Force_Senior_Airman_Scott_Lacey%2C_a_ground_radar_systems_maintainer_with_the_727th_Expeditionary_Air_Control_Squadron%2C_inspects_an_AN-TPS-75_radar_system_at_an_undisclosed_location_in_Southwest_Asia_130121-F-ME639-214.jpg/1363px-thumbnail.jpg)
File:U.S. Air Force Senior Airman Scott Lacey, a ground radar systems maintainer with the 727th Expeditionary Air Control Squadron, inspects an AN-TPS-75 radar system at an undisclosed location in Southwest Asia 130121-F-ME639-214.jpg -
US Air Force (USAF) Radar Maintenance Technicians, with the 31st Maintenance Squadron (MXS), perform routine maintenance
![US Air Force members of Ground Radar Systems Flight, 603rd Air Control Squadron, Aviano Air Base, Italy, sets up the TPS-75 early warning radar at Bovbjerg, Denmark. The 603rd is deployed to US Air Force members of Ground Radar Systems Flight, 603rd Air Control Squadron, Aviano Air Base, Italy, sets up the TPS-75 early warning radar at Bovbjerg, Denmark. The 603rd is deployed to](https://cdn10.picryl.com/photo/2000/08/23/us-air-force-members-of-ground-radar-systems-flight-603rd-air-control-squadron-3c51eb-1024.jpg)
US Air Force members of Ground Radar Systems Flight, 603rd Air Control Squadron, Aviano Air Base, Italy, sets up the TPS-75 early warning radar at Bovbjerg, Denmark. The 603rd is deployed to
![US Air Force (USAF) STAFF Sergeant (SSGT) Steven Duaime, a Ground Radar Systems Maintenance Journeyman from the 30th Space Communications Squadron (SCS) performs routine maintenance on a Next Generation Radar transmitter at US Air Force (USAF) STAFF Sergeant (SSGT) Steven Duaime, a Ground Radar Systems Maintenance Journeyman from the 30th Space Communications Squadron (SCS) performs routine maintenance on a Next Generation Radar transmitter at](https://cdn10.picryl.com/photo/2004/02/10/us-air-force-usaf-staff-sergeant-ssgt-steven-duaime-a-ground-radar-systems-4c9d89-1024.jpg)
US Air Force (USAF) STAFF Sergeant (SSGT) Steven Duaime, a Ground Radar Systems Maintenance Journeyman from the 30th Space Communications Squadron (SCS) performs routine maintenance on a Next Generation Radar transmitter at
![The Air Force Has Been Trying to Replace Its Radars Since 2008. Now, It's Starting Over | Military.com The Air Force Has Been Trying to Replace Its Radars Since 2008. Now, It's Starting Over | Military.com](https://images03.military.com/sites/default/files/styles/full/public/2020-01/ANTPS-75-radar-1800.jpg)