A prototype reached trials at Aberdeen Proving Ground in March 1942.

He continued: "The people of the Aberdeen Proving Ground have lived during a difficult period.

Its largest single site is at Aberdeen Proving Ground, Maryland.

The Aberdeen Proving Ground is an army facility in Maryland.

In August 2006 they were tested at the Aberdeen Proving Grounds.

Since last fall, 12 men at the base, the Aberdeen Proving Ground, have been charged with sexual offenses.

The left side was cut open for educational purposes at the Aberdeen Proving Ground in the late 1940s.

The remaining exhibits at Aberdeen Proving Grounds are still accessible to the public.

Another person named had worked on a top secret bombsight project at the Aberdeen Proving Grounds.

It added that he left his job at the Aberdeen Proving Ground "recently."