Still frame from newsreel footage: LZ 129 Hindenburg during the fire at landing maneuver in Lakehurst, New Jersey, on May 6, 1937.

LZ 129 Hindenburg burns and sinks to the ground on May 6, 1937 on the grounds of Naval Air Station Lakehurst, New Jersey.

The burned-out skeleton of the LZ 129 Hindenburg lies burning on the ground at the naval air station Lakehurst, as first responders reach the disaster site – Lakehurst, New Jersey, May 6, 1937.

The charred skeleton of the LZ 129 Hindenburg lies on the grounds of Naval Air Station Lakehurst, while smoke rises above the site of the disaster.

View of the charred wreckage of the LZ 129 Hindenburg in Lakehurst, New Jersey, after the disaster of May 6, 1937.

Uniformed men inspect the completely destroyed aluminum framework of the Hindenburg on the grounds of Naval Air Station Lakehurst, a few hours after the disaster of May 6, 1937.

Wreckage of LZ 129 Hindenburg on the grounds of Naval Air Station Lakehurst, photographed after the fire of May 6, 1937.

After the fire of the Hindenburg on May 6, 1937 in Lakehurst, survivors receive medical care on site.

Still image from newsreel footage of the burning LZ 129 Hindenburg upon impact at the Naval Air Station Lakehurst, May 6, 1937.

Newsreel still of the fire of the LZ 129 Hindenburg during its crash at Lakehurst, New Jersey, on May 6, 1937.

Still image from the fire phase of the Hindenburg disaster in Lakehurst, New Jersey, on May 6, 1937: The airship is engulfed in flames, the lettering still visible.

Still from newsreel footage of the fire disaster of the LZ 129 Hindenburg during the mooring maneuver at Lakehurst, New Jersey, on May 6, 1937.

Still image from newsreel footage shows the burning wreckage of the LZ 129 Hindenburg upon impact at Lakehurst, New Jersey, on May 6, 1937.

The burned-out wreckage of the LZ 129 Hindenburg lies burning on the grounds of Naval Air Station Lakehurst, while the first people reach the scene of the disaster – May 6, 1937.

The burned-out wreckage of the LZ 129 Hindenburg in Lakehurst, New Jersey, on May 6, 1937, while rescue personnel are on scene.

Rescue personnel on the ground at Lakehurst during the Hindenburg fire, May 6, 1937.

The airship LZ 129 Hindenburg flies over New York City in 1937 on its final transatlantic flight before continuing its course to Lakehurst, New Jersey.

Interior photograph of the Hindenburg during the flight over New York City on May 6, 1937, shortly before proceeding to Lakehurst.

The airship LZ 129 Hindenburg in flight shortly before landing at Lakehurst, New Jersey, on May 6, 1937.

The airship LZ 129 Hindenburg on approach to the naval air station at Lakehurst, New Jersey, shortly before the disaster of May 6, 1937.

Newsreel still from May 6, 1937: The burning Hindenburg descends to the ground at Naval Air Station Lakehurst.

Still from newsreel footage: LZ 129 Hindenburg sinks burning to the ground in Lakehurst on May 6, 1937.

Newsreel still from May 6, 1937: LZ 129 Hindenburg burns during mooring maneuver at Lakehurst and sinks to the ground.

Newsreel still of the burning LZ 129 Hindenburg as it struck the ground at Naval Air Station Lakehurst, May 6, 1937.