Pentagon Denies ULA Waiver to Use RD-180 Rockets | KC-46A Deploys Refuelling Systems | Iran Tests Long Range Ballistic Missiles by | Oct 11, 2015 | Uncategorized | 0 comments Americas The Pentagon has denied United Launch Alliance a waiver that would have allowed the company to continue using Russian RD-180 rockets. SpaceX was unhappy that the company’s competitor …read more Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.