* CACI International, an Arlington defense contractor, said it won $266 million in previously unannounced contracts to support national security and intelligence efforts for a national intelligence agency client and other government agencies involved in the war on terrorism. CACI did not name the government clients. The company will provide network services, systems integration, knowledge management and intelligence support services. All of the contracts were awarded during CACI's first fiscal 2005 quarter, which ended Sept. 30. Sixty percent of the contracts constitute new work for the company. CACI's stock closed yesterday at $54.45, up $1.35.

* IMC Worldcell of Silver Spring won a contract from the Defense Information Systems Agency worth up to $114 million over 10 years to provide commercial wireless services throughout Europe and the Middle East.

* Honda Aero, a new aviation subsidiary of Honda Motor, has established its headquarters in Reston. Honda Aero is responsible for the Japanese automaker's aviation engine business, based on its HF118 turbofan engine for small-business jets. The company announced a joint venture with General Electric in February to commercialize the HF118.

* NCI Information Systems, a Reston information technology company, said it won 15 contracts and four subcontracts in defense and civilian programs over the past several weeks totaling $123 million. Most were follow-on awards, renewals and extensions with existing clients. Under the contracts, privately held NCI will provide enterprise systems management, information assurance, network engineering and systems development and integration.

Compiled from reports by Washington Post staff writers.