Current operators ; (11) : In November 2022, the
Norwegian Air Force ordered 8 TPY-4 radars for air surveillance missions, with an option for 3 additional radars. The 8 radars are being delivered until 2025. In September 2024, the option for the 3 additional radars was exercised. : The Platform Electronic System is built by
Kongsberg Defence & Aerospace (KDA). ; (19) : The United States Air Force selected this radar for the 3DELRR programme (3-dimensional expeditionary long range radar) in February 2022. The plan is to replace the TPS-75 with
35 AN/TPY-4(V)1 by 2028. :* 2 ordered in April 2022 for USD $75.0 million. :* 4 ordered in February 2023 for USD $84.9 million.
Future operators ; (3) : Ordered in December 2025. At a cost of $610 million, with an option for one additional. ; : Ordered in June 2025.
Potential operators ; : Lockheed Martin is offering an undisclosed number of the TPY-4 ground-based long-range surveillance radar to the
RSAF (Republic of Singapore Air Force) to replace its
FPS-117 radar. ==See also==