United States securities and exchange commission logo September 30, 2021 Peter Beck Chief Executive Officer Rocket Lab USA, Inc. 3881 McGowen Street Long Beach, CA 90808 Re: Rocket Lab USA, Inc. Registration Statement on Form S-1 Filed September 24, 2021 File No. 333-259797 Dear Mr. Beck: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. 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. Please contact Jennifer Angelini at 202-551-3047 with any questions. Sincerely, Division of Corporation Finance Office of Manufacturing cc: W. Stuart Ogg