The Naval Surface Warfare Center Carderock Division intends to award a firm fixed-price Blanket Purchase Agreement for prototype Geiger-Mueller tubes, with an ordering period not to exceed two years. The contract will be awarded to the responsible quoter with the lowest price technically acceptable quote, evaluated on technical capability and past performance. Questions regarding the solicitation must be submitted via email by April 3, 2026, at 12 PM EST. Quote packages are due by April 14, 2026, at 12 PM EST. All submissions and communications must be sent to the specified Point of Contact.