CenturyLink Inc. announced today it has been awarded a Department of Defense (DoD) contract to provide high-speed fiber optic network connections to link the department's supercomputers to more than 150 DoD sites nationwide.

The 10-year Defense Research and Engineering Network (DREN) III contract has a minimum award value of $250,000 and a ceiling of $750 million, the company said in a release.

The contract is part of the Defense Department's High Performance Computing Modernization Program. CenturyLink previously won a multi-year federal contract valued at more than $250 million to provide private line services for dedicated high-speed connections between military installations.

Based in Monroe, La., CenturyLink is the third-largest U.S. telecommunications company and serves residential and business customers in Iowa.