NASA Awards Launch Services Contracts, NASA
"NASA has the ability to order a maximum of 70 launch services missions with a maximum cumulative potential contract value of $15 billion. The NLS II contracts are multiple award indefinite delivery/indefinite quantity, spanning a 10-year period.
NASA selected four companies for awards: Lockheed Martin Space Systems Company of Denver; Orbital Sciences Corporation of Dulles, Va.; Space Exploration Technologies of Hawthorne, Calif.; and United Launch Services, LLC of Littleton, Colo."