The B-52 Stratofortress involved in a deadly crash during a test flight at Edwards Air Force Base in California made a sharp right turn shortly after takeoff before entering a near 180-degree maneuver and plunging to the ground at an extreme rate of descent, according to limited tracking data released Tuesday.

All eight people on board were killed in Monday’s crash, which involved the Boeing-built aircraft during a routine mission tied to a radar modernization program aimed at extending the bomber’s service life for decades to come. Officials have not yet determined the cause of the accident, and investigators have said the inquiry could take up to six months.

The airfield remained closed Tuesday as crews worked to secure the crash site and extinguish residual fires that reignited overnight. Officials said the area must be stabilized before full recovery operations can begin, given the severity of the wreckage and ongoing safety risks.

Limited flight data obtained from tracking systems suggests the aircraft turned northeast immediately after takeoff and began a rapid, tightening maneuver before descending sharply and crashing on or near another runway on base. While the data does not provide precise altitude or airspeed, it does show a descent rate of more than 5,000 feet per minute—far exceeding normal landing or emergency descent profiles.

A spokesperson for the base’s test wing said the aircraft had been supporting a “radar modernization program,” part of a broader effort to upgrade the aging B-52 fleet with new avionics and sensor systems designed to keep the bomber operational into the 2050s.

The aircraft involved was part of a long-running modernization effort that includes integration of an Active Electronically Scanned Array (AESA) radar system. The upgrade replaces older analog technology and significantly improves navigation, targeting, and situational awareness capabilities.

AESA radar systems have been gradually introduced across multiple U.S. military platforms, and the B-52 upgrade is considered one of the most significant avionics improvements in decades for the Cold War-era bomber.

Officials have not confirmed whether the specific aircraft involved in Monday’s crash was the same platform previously used in testing phases of the radar upgrade program. However, investigators are expected to examine the aircraft’s maintenance records, configuration history, and any recent modifications as part of the inquiry.

The B-52 Stratofortress first entered service in the mid-1950s during the Eisenhower administration and remains one of the longest-serving military aircraft in the world. Designed as a long-range strategic bomber, it is capable of carrying both conventional and nuclear payloads and has been deployed in conflicts spanning Vietnam, the Middle East, and beyond.

Today, the U.S. Air Force maintains a fleet of 76 operational B-52s, many of which are undergoing extensive modernization. These upgrades include new engines, updated crew systems, enhanced communications suites, advanced avionics, and new weapons integration capabilities.

The long-term goal of the modernization program is to ensure the B-52 can operate alongside the Air Force’s next-generation stealth bomber, the B-21 Raider, which is currently in development.

Despite its age, the B-52 remains a critical component of U.S. strategic airpower. Its ability to carry heavy payloads over long distances has kept it relevant, while ongoing upgrades are intended to bridge the gap between Cold War-era engineering and modern warfare requirements.

Monday’s crash occurred during a developmental test mission, part of a broader evaluation program overseen at Edwards, one of the most important flight test centers in the United States. The base has historically been used to test experimental aircraft, weapons systems, and aerospace technologies before they are introduced into active service.

The site is also historically significant in aviation history. It was near Edwards that pilot Chuck Yeager broke the sound barrier in 1947, marking a turning point in aviation development and cementing the base’s reputation as a hub for experimental flight testing.

In this latest incident, officials said the aircraft went down shortly after takeoff without gaining significant altitude or distance from the airfield. Aerial footage showed extensive fire damage at the crash site, with little recognizable structure remaining.

Authorities have confirmed that no survivors are expected following an initial assessment of the wreckage and available video evidence. The victims included a mix of active-duty military personnel, civilian employees, and defense contractors supporting the test mission.

Aircraft manufacturer Boeing confirmed that two of its employees were among those killed in the crash. The company said it is cooperating with investigators and supporting the families of those involved.

The presence of contractors and industry personnel is common in test flights at Edwards, where military and civilian teams often work together to evaluate aircraft systems under real-world conditions.

As investigators begin their work, early attention is expected to focus on the aircraft’s sudden loss of control shortly after takeoff. Aviation safety experts reviewing the limited tracking data say the steep descent and abrupt maneuvering could point to a serious flight control issue.

One possible line of inquiry includes whether a mechanical malfunction, engine failure, or systems integration issue may have contributed to the crash. However, officials have emphasized that no conclusions can be drawn at this stage.

The investigation will include detailed analysis of recovered wreckage, maintenance logs, software systems, and any onboard recording devices. If available, cockpit voice and flight data recordings could provide crucial insight into the final moments of the flight.

In recent years, the U.S. military has faced several aviation accidents during training and testing operations, underscoring the inherent risks of complex flight programs. While rare relative to the volume of missions conducted, such incidents often prompt extensive safety reviews and procedural changes.

For now, operations at Edwards Air Force Base remain partially suspended as recovery teams continue securing the crash site and preparing for a full-scale investigation.

Officials say it will likely take months before a preliminary report is released, and even longer before a final determination is made regarding the cause of the crash.

Until then, the focus remains on recovery efforts, identification of victims, and supporting families affected by one of the most serious test-flight disasters in recent Air Force history.