The
Army Research Laboratory (
ARL) is the
U.S. Army's corporate research laboratory. ARL is headquartered at the
Adelphi Laboratory Center (ALC) in Adelphi, Maryland. Its largest single site is at
Aberdeen Proving Ground, Maryland. Other major ARL locations include
Research Triangle Park, North Carolina,
White Sands Missile Range, New Mexico, Orlando, Florida, and NASA's
Glenn Research Center, Ohio and
Langley Research Center, Virginia.