November 27, 2018 Mark Sopp Chief Financial Officer KBR, INC. 601 Jefferson Street Suite 3400 Houston, TX 77002 Re: KBR, INC. Form 10-K for the Fiscal Year Ended December 31, 2017 Filed February 23, 2018 File No. 001-33146 Dear Mr. Sopp: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Manufacturing and Construction