A B-52 nuclear bomber crashed on takeoff in California; the fate of the crew is still unknown.

A U.S. Air Force B-52 Stratofortress strategic bomber crashed Monday shortly after takeoff from Edwards Air Force Base in the Mojave Desert, California. The accident, which occurred at one of the U.S. military's main testing facilities, immediately triggered a major rescue operation.

According to military authorities, the aircraft crashed shortly after leaving the runway at approximately 11:20 a.m. local time. The exact circumstances of the crash were not immediately known, and an investigation is expected to be launched to determine the cause of the accident.

Aerial images released after the crash show a vast blackened and still smoldering area in the desert, covering a surface comparable to that of a football field. Several emergency vehicles were deployed around the perimeter of the site to secure the area and coordinate rescue operations.

Edwards Air Force Base reported that its response teams arrived quickly on the scene. In a message posted on social media, military authorities stated that the situation was still being assessed and that rescue operations were continuing.

No official information has been released regarding the number of people on board the bomber at the time of the crash. Authorities have also not indicated whether any crew members survived or were injured.

The B-52 Stratofortress is one of the most iconic aircraft in the American arsenal. Entering service in the 1950s, this long-range bomber remains a key element of the United States' strategic deterrence capability and continues to be modernized to remain operational for several more decades.

The accident is already drawing intense attention within American military and political circles. The coming hours should shed more light on the human toll and the circumstances that led to the loss of this historic US Air Force aircraft.