# PIEE #N6523618D1001 NIWC Atlantic plans a 12-month extension of contract N6523618D1001 **Buyer:** NIWC Atlantic **Posted:** October 27, 2026 **Respond By:** November 13, 2026 **Identifier:** N6523618D1001 NIWC Atlantic plans a 12-month extension to an existing Navy contract to maintain critical capabilities while a competitive follow-on is prepared. - **Agency:** Naval Information Warfare Center (NIWC) Atlantic, U.S. Navy. - **Action:** Extend the ordering period of contract N6523618D1001 by 12 months, from December 6, 2026, through December 5, 2027. - **Purpose:** Allow ongoing task orders to be completed and avoid a gap in critical capabilities until a competitive follow-on contract is awarded. - **Value:** The extension will not change the contract value; the contract’s dollar value is not stated in this notice. - **Competition:** The Government intends to negotiate the extension on a sole-source basis. This notice is not a request for competitive proposals. Interested parties may submit clear and convincing evidence that competition would benefit the Government. ### Description Contract Number: N6523618D1001. NAICS Code: 334111 Description. The Naval Information Warfare Center (NIWC) Atlantic intends to extend the ordering period of contract N6523618D1001 by twelve (12) months, from 6 December 2026 to 5 December 2027, with no change to the contract value. This extension is necessary to complete ongoing task orders and prevent a gap in critical capabilities until the competitive follow-on contract is awarded. The Government intends to negotiate this extension solely with DRS Advanced ISR, LLC under the authority of 10 U.S.C. ¿¿¿¿¿¿ 3204(a)(1) and FAR 6.103-1. This notice is not a request for competitive proposals. Any response must provide clear and convincing evidence that competition would be advantageous to the Government. The Government reserves the right to make a determination not to compete this action based on the responses received. Submission of Comments. All comments or questions must be submitted in writing via email to Kari Hill at kari.a.hill7.civ@us.navy.mil no later than 12:00 PM EST on 13 November 2026. [View original listing](https://piee.eb.mil/sol/xhtml/unauth/search/oppMgmtLink.xhtml?noticeId=N6523618D1001¬iceType=SpecialNotice)