Calibration and Metrology Services Five

Modification 4 - April 1, 2026 This is modification 4 to the Industry Day Notice for Calibration and Metrology Services V (CAMS V) and 80JSC026CAMSV which was posted on March 5, 2026. Please note that the following changes are made: Industry Day

Questions and Answers and the Interested Parties list are provided as

attachments to this modification and will be added to the CAMS V website listed below. Please continue to monitor this sam.gov posting for updates on the release of any documents, as well as the CAMS V website at https://www.nasa.gov/jsc/procurement/CAMSV. It is the potential offeror’s responsibility to monitor the websites for release of any information regarding this acquisition. ________________________________________________________________________ Modification 3 - March 27, 2026 This is modification 3 to the Industry Day Notice for Calibration and Metrology Services V (CAMS V) and 80JSC026CAMSV which was posted on March 5, 2026. Please note that the following changes are made: Post-Industry Day Site Visit information is provided as an attachment to this modification entiled "Site Visit" and will be added to the CAMS V website listed below. Site visit details and attendance: The visit will occur on April 17, 2026, from 11:00 A.M. to 12:00 P.M. Central Time at Building 343, JSC. Attendance is recommended but not mandatory for proposal submission, limited to two attendees per Prime Offeror including subcontractors. and requires prior email confirmation by April 10, 2026, with attendee details provided. Offerors are required to notify the

Contracting Officer by e-mail to [email protected] no later than Friday, April 10, 2026, at 9:00 A.M. Central Time to confirm attendance and specify the names of the attendees from their respective companies. Please reference the Site Visit attachment for all

requirements. Security and visitor

requirements: Visitors must be U.S. citizens or lawful permanent residents, undergo badge processing via EVAMS, and comply with security measures including no weapons, vehicle inspections, speed limits, and showing driver’s licenses at entry. Lobbying entities must be disclosed. Visitors must complete an emailed visit request form before arrival. Directions and : Attendees must first visit the JSC Badging , then proceed to Building 343. Google Maps links and search terms are provided for both locations.