SMALL BUT MIGHTY - TDI is an agile engineering and manufacturing organization that can design, develop, manufacture, integrate, and test small turbine engines, propulsion systems, and subsystems. Our family of products is dedicated to addressing the needs and enhancing capabilities for low-cost attritable/expendable turbojet engine applications, such as miniaturized tactical cruise missiles and unmanned aerial vehicles. Technical Directions Inc. (TDI) has been developing low-cost turbine engine technologies for military and commercial applications over the past three decades. These fundamental technologies have resulted in engine architectures with unique features that are focused on providing state-of-the-art capability and performance to our customers while meeting the increasingly demanding affordability and rapid development goals of the defense and commercial industries. At TDI we firmly believe “Low Cost IS a technology”! TDI is a registered ISO9001 and AS9100 manufacturer. All TDI products are proudly MADE IN THE USA.