- DARPA designated the LongShot air-launched unmanned combat aircraft as X-68A after completing technical milestones ahead of planned flight testing in 2026.
- The X-68A is designed to launch from crewed aircraft and carry air-to-air missiles to extend combat range while reducing pilot exposure to threats.
The Defense Advanced Research Projects Agency (DARPA), Pentagon’s research and technology arm, has designated its air-launched missile-carrying uncrewed aircraft developed under the LongShot program as the X-68A, moving the system toward flight testing expected by the end of 2026, the agency confirmed in an official update.
According to DARPA, the milestone follows completion of multiple technical objectives tied to integration and system development. The aircraft, designed and built by General Atomics Aeronautical Systems, Inc. (GA-ASI), represents a new class of air-launched combat platform intended to operate ahead of traditional fighter aircraft.
“We’re making serious progress on our LongShot program,” DARPA said in a statement announcing the designation. The agency added that technical milestones completed with government and industry partners have moved the newly designated X-68A closer to flight testing.
The LongShot program centers on an uninhabited aircraft capable of being launched from a larger host platform, flying forward of crewed aircraft formations, and engaging enemy targets using its own air-to-air missiles. The concept aims to allow manned fighters to operate at greater standoff distances while extending the reach of air combat operations.
DARPA said the system is designed to be platform-agnostic, allowing potential deployment from fighters, bombers, or even mobility aircraft using palletized launch concepts. This flexibility is intended to expand how air forces employ missile-armed systems without placing pilots directly into contested airspace.
“LongShot burns down significant technical risk and presents a viable path for the military services to increase air combat reach and effectiveness from uninhabited, air-launched platforms,” said Col. John Casey, DARPA LongShot program manager. “With the help of our partners, we’ve completed critical milestones necessary for the integrated flight test campaign, which will validate vehicle performance and lay the foundation for efficient follow-on development.”
Ground and integration testing are currently underway as part of preparation for the upcoming flight campaign. DARPA stated that initial testing will focus on validating safe employment of the X-68A from an F-15 aircraft, confirming flightworthiness, and demonstrating controlled release of a captive sub-munition during flight operations.
The program involves a wide network of U.S. military and government organizations supporting testing, engineering, and evaluation. Participating entities include the U.S. Air Force’s Arnold Engineering Development Complex, the Air Force Life Cycle Management Center, the F-15 Program Office, the 96th Test Wing, the Air Force Research Laboratory, the Naval Air Warfare Center Aircraft Division, NASA, and several U.S. Army testing and engineering organizations, including Yuma Proving Ground and the Redstone Test Center.
General Atomics Aeronautical Systems serves as the industry lead responsible for designing, building, and demonstrating the LongShot vehicle. The company is known for developing unmanned aircraft platforms used across U.S. military operations, and the LongShot effort expands its role into air-to-air combat systems.
Technically, LongShot represents a shift from traditional unmanned aircraft missions focused on surveillance or strike roles toward active participation in aerial combat. By carrying air-to-air weapons independently, the X-68A is intended to function as a forward element within a broader force package rather than as a remotely piloted extension of a single aircraft.
DARPA officials have emphasized that the program seeks to validate operational feasibility rather than immediately field a production system. The upcoming flight tests are expected to assess launch safety, aerodynamic performance, and integration with existing aircraft systems before any future transition decisions.
The development follows broader U.S. military efforts to integrate uncrewed systems into high-end combat roles, including collaborative and autonomous aircraft concepts designed to operate alongside crewed fighters.

