Defense contractor ManTech (NASDAQ:MANT) announced a sizable contract win Tuesday.

According to the company, America's Space and Naval Warfare Systems Center Atlantic has picked it to participate in a contract to provide full lifecycle support for command, control, and decision support systems for SSC Atlantic customers worldwide.

Emphasis on "participate." In fact, 15 separate companies were named "winners" of this indefinite delivery, indefinite quantity (IDIQ), multiple-award contract, ManTech being only one of them. ManTech puts the value of the contract at $899.8 million over the course of an initial one-year base term, plus four one-year options that may or may not be exercised.

Tasks that may be awarded under this umbrella contract are expected to include tactical data software and hardware integration, integration of command and control systems, engineering of information interfaces to support the decision-making process, and C4ISR systems of systems integration and testing, "among others."

Fool contributor Rich Smith has no position in any stocks mentioned. The Motley Fool owns shares of ManTech International. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.