This Justification and Approval (J&A) authorizes a six-month extension of the ordering period for an existing L3Harris Indefinite Delivery/Indefinite Quantity (IDIQ) contract from June 2026 through December 2026. The modification supports the U.S. Army’s Foreign Military Sales (FMS) program. All orders under this FMS-dedicated vehicle are sole-source and executed exclusively at the direct request of foreign partner nations via a formal Letter of Offer and Acceptance (LOA). No budget amounts or performance location are specified in the description.