We are JT4

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). JT4 is supported by several teammate companies on the J-Tech II Contract. Together, we provide the following core capabilities:

Our mission

Partner with our customers to develop and maintain integrated test and training range environments by providing highly skilled scientific, engineering, technical and support staff. We prepare our nation’s Warfighters for the missions of today while building new capabilities to meet the global challenges of tomorrow.

Our vision

Be the premier provider of joint test, tactics, training and technology support.

Our goals


Maximize Warfighter support

Organize, staff and integrate for mission success