JT4 provides engineering and technical support to multiple western test ranges for the U.S. Air Force, Space Force and Navy under the Joint Range Technical Services Contract (J-Tech II).

NSTTC is JT4’s only operation supporting the USSF. Established on December 20, 2019, it is the sixth and newest branch of the U.S. Armed Forces and the world’s first independent space force. Service members in the USSF are known as Guardians.

One of the fastest growing cities in the country, Las Vegas is expanding not just economically, but also in the arts, professional sports and higher education. The ever-changing city rebranded its logo in 2016, which was designed by the same company that produced this JT4 website.

JT4 provides engineering and technical support to multiple western test ranges under J-Tech II. Read more about our mission, vision and goals.

JT4 helps the U.S. Air Force, Space Force and Navy to improve effectiveness while generating substantial cost avoidances and achieving exceptional performance.

Join the JT4 team and help protect the safety and security of our great nation. Find a JT4 career near you and apply today.

JT4 helps the U.S. Air Force, Space Force and Navy to improve effectiveness while generating substantial cost avoidances and achieving exceptional performance. Since our founding, our workforce of more than 2,000 employees and teammates has supported thousands of test and training missions with a commitment to integrity, innovation and excellence.

Use the JT4 web portal to access all company-approved applications and websites with a single sign-on. Access the company intranet, complete your timecard, look up company policies and other documents, check your email, submit a service desk ticket for IT support and much more.

JT4’s high-performing team of engineering, technical professionals and support personnel provide critical flight test functions and capabilities while also applying innovative and cost saving solutions for the 412th Test Wing.

JT4 experts engage construction technologies to clear land using heavy equipment; recover ordnance and repair damage from explosives testing; build targets utilizing wood, concrete and metal; and clean up and salvage recyclable materials to minimize the …