A AN/TPS-75 radar rests on the back of a transport vehicle at the Alpena Combat Readiness Training Center, Mich., July 29, 2015. The AN/TPS-75 radar is capable of providing coverage 240 nautical miles in every direction and detecting aircraft as high as 95,000 ft. The radar is being used during Northern Strike 15. NS 15 is an annual training exercise on CGJMTC that assesses joint air-to-ground capability and involves hundreds of military personnel from twenty different states as well as Canada, Latvia, Poland and Australia. (U.S. Air National Guard photo by Senior Airman Ryan Zeski/Released)

- Image ID: HF3HKK
A AN/TPS-75 radar rests on the back of a transport vehicle at the Alpena Combat Readiness Training Center, Mich., July 29, 2015. The AN/TPS-75 radar is capable of providing coverage 240 nautical miles in every direction and detecting aircraft as high as 95,000 ft. The radar is being used during Northern Strike 15. NS 15 is an annual training exercise on CGJMTC that assesses joint air-to-ground capability and involves hundreds of military personnel from twenty different states as well as Canada, Latvia, Poland and Australia. (U.S. Air National Guard photo by Senior Airman Ryan Zeski/Released)
PJF Military Collection / Alamy Stock Photo
Image ID: HF3HKK
A AN/TPS-75 radar rests on the back of a transport vehicle at the Alpena Combat Readiness Training Center, Mich., July 29, 2015. The AN/TPS-75 radar is capable of providing coverage 240 nautical miles in every direction and detecting aircraft as high as 95,000 ft. The radar is being used during Northern Strike 15. NS 15 is an annual training exercise on CGJMTC that assesses joint air-to-ground capability and involves hundreds of military personnel from twenty different states as well as Canada, Latvia, Poland and Australia. (U.S. Air National Guard photo by Senior Airman Ryan Zeski/Released) Northern Strike 15 150729-Z-FN720-011