NASA's Shared Services Center awarded a purchase order to Sensuron LLC for $44,448.09 on September 16, 2026, for one AeroGTR-NG4 four-channel fiber optic interrogator with FC/APC optical fanout. Performance occurs at Sensuron's facility in Goleta, California. The interrogator supports the ARMD High Speed Flight Task 4.5 initiative and must deliver four operational optical channels at 22 kHz per channel, with pre-shipment testing to verify functionality. The order is firm fixed price with completion targeted for January 16, 2027. This purchase order originated from a NASA sole-source procurement notice posted August 6, 2026, determining Sensuron the only available provider of this equipment.