![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
![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)
The Air Force Has Been Trying to Replace Its Radars Since 2008. Now, It's Starting Over | Military.com
![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 -
![U.S. Air Force Combined Joint Task Force-Horn of Africa members, 726th Expeditionary Air Base Squadron ground radar systems, prepare to remove the “tootsie roll” antenna from a TPN-19 radar during the disassembly U.S. Air Force Combined Joint Task Force-Horn of Africa members, 726th Expeditionary Air Base Squadron ground radar systems, prepare to remove the “tootsie roll” antenna from a TPN-19 radar during the disassembly](https://c8.alamy.com/comp/MY0MJ4/us-air-force-combined-joint-task-force-horn-of-africa-members-726th-expeditionary-air-base-squadron-ground-radar-systems-prepare-to-remove-the-tootsie-roll-antenna-from-a-tpn-19-radar-during-the-disassembly-of-the-unit-at-camp-lemmonier-djibouti-nov-18-2016-after-the-w-bracket-is-raised-the-radar-is-lowered-into-the-shelter-part-way-for-easier-access-to-and-removal-of-multiple-sections-combined-joint-task-force-horn-of-africa-is-a-multinational-effort-to-conduct-theater-security-cooperation-combat-violent-extremism-and-enable-freedom-of-movement-within-east-africa-in-order-to-d-MY0MJ4.jpg)
U.S. Air Force Combined Joint Task Force-Horn of Africa members, 726th Expeditionary Air Base Squadron ground radar systems, prepare to remove the “tootsie roll” antenna from a TPN-19 radar during the disassembly
US Air Force (USAF) Radar Maintenance Technicians, with the 31st Maintenance Squadron (MXS), perform routine maintenance
![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 ...
![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
![U.S. Air Force Combined Joint Task Force-Horn of Africa members, 726th Expeditionary Air Base Squadron ground radar systems, pose for a photo in front of the new GPN-27 Airport Surveillance Radar System, U.S. Air Force Combined Joint Task Force-Horn of Africa members, 726th Expeditionary Air Base Squadron ground radar systems, pose for a photo in front of the new GPN-27 Airport Surveillance Radar System,](https://c8.alamy.com/comp/MY0MJ2/us-air-force-combined-joint-task-force-horn-of-africa-members-726th-expeditionary-air-base-squadron-ground-radar-systems-pose-for-a-photo-in-front-of-the-new-gpn-27-airport-surveillance-radar-system-nov-17-2016-at-camp-lemonnier-djibouti-the-gpn-27-replaced-the-tpn-19-radar-unit-wrapping-up-the-radar-upgrade-plan-that-started-in-2014-combined-joint-task-force-horn-of-africa-is-a-multinational-effort-to-conduct-theater-security-cooperation-combat-violent-extremism-and-enable-freedom-of-movement-within-east-africa-in-order-to-defend-us-interests-and-support-aligned-regional-efforts-MY0MJ2.jpg)