FAIRFAX, Va., July 21 (UPI) — The U.S. Navy has contracted General Dynamics to provide upgrade support services on the AN/BYG-1 submarine combat system.

PASADENA, Calif., July 21 (UPI) — The U.S. Army Corps of Engineers has contracted Jacobs Engineering Group Inc. to support the construction of a new research laboratory in Texas.

SPRINGFIELD, Mass., July 21 (UPI) — U.S. company Smith & Wesson Holding Corp. announced it has completed its acquisition of security systems solutions provider Universal Safety Response Inc.

HERNDON, Va., July 21 (UPI) — U.S. company Trusted Computer Solutions announced its SimShield data security technology has passed the Secret and Below Interoperability level certification.

MCLEAN, Va., July 21 (UPI) — U.S. satellite company Americom Government Services has completed its acquisition of network mobility and communications solutions provider AOS Inc.

BETHESDA, Md., July 21 (UPI) — Energy company USEC Inc. says a contract amendment for its work on the Megatons to Megawatts program has been approved by both the United States and Russia.

PORTLAND, Ore., July 21 (UPI) — U.S. company HemCon Medical Technologies Inc. announced the launch of its new emergency wound dressing designed to support medical services on the battlefield.

COSTA MESA, Calif., July 21 (UPI) — The U.S. Army has awarded Ceradyne Inc. a follow-on contract for a delivery of its lightweight ceramic body armor.

SANTA CLARA, Calif., July 21 (UPI) — California-based Intevac Photonics has been contracted to delivery its laser camera technologies to support military applications.

SUNNYVALE, Calif., July 21 (UPI) — U.S. company CloudShield Technologies announced the launch of a new instant-messaging technology capable of securing the exchange of sensitive intelligence.