LOS ANGELES, Jan. 7 (UPI) — U.S. company Boeing has contracted Ducommun Inc. for the delivery of main and tail rotor blades for the AH-64 Apache helicopter.

ROCKVILLE, Md., Jan. 7 (UPI) — Barr Pharmaceuticals Inc. has contracted BioReliance Corp. to support the production of vaccines for use by the U.S. Defense Department.

CARLSBAD, Calif., Jan. 7 (UPI) — Aardvark Tactical Inc. has contracted Xenonics Holdings Inc. for the delivery of illumination technologies in support of an ATI deal with the U.S. military.

RESTON, Va., Jan. 7 (UPI) — The U.S. Air Force has contracted NCI Inc. for the company to support management and systems operations for the 375th Communications Support Squadron.

DULUTH, Ga., Jan. 7 (UPI) — The U.S. Army has contracted DataPath Inc. for the company to provide satellite communication technologies to support battlefield communications.

JOHNSTOWN, Pa., Jan. 7 (UPI) — The U.S. Navy has contracted Concurrent Technologies Corp. to support the Naval Surface Warfare Center, Expeditionary Systems Engineering Division.

ATLANTA, Jan. 7 (UPI) — The U.S. Homeland Security Department has contracted Tri-S Security Corp. for the company to provide security services in southern Virginia.