North Wind USA Inc. designs and manufactures mission-critical aerospace systems while operating aerodynamic and hypersonic test facilities for government and industrial customers. Its FluiDyne Aerotest Laboratory in Plymouth, Minnesota, has provided wind-tunnel testing and developmental hardware since 1952, and the company’s heritage includes a hypersonic tunnel capable of reaching Mach 14. Formed in 2024 from Calspan ASE and Calspan Systems, North Wind also played a technical design role in NASA’s new Flight Dynamics Research Facility.