McKenzie is an unincorporated community in Allegany County, Maryland, it is directly across from which diverse industrial complex, located in Rocket Center, West Virginia?
McKenzie, Maryland:  It is directly across from the Allegany Ballistics Laboratory in Rocket Center, West Virginia. Allegany Ballistics Laboratory: Allegany Ballistics Laboratory (ABL) located in Rocket Center, West Virginia, is a diverse industrial complex employing some 1,000 people across 1628 acre .
Allegany Ballistics Laboratory