The Department of Defense, through the Naval Surface Warfare Center Philadelphia Division, intends to procure onsite calibration services for 38 Zimmer high accuracy sensors, with the contract expected to be awarded solely to Probata Corporation. This procurement is critical for maintaining the operational integrity and precision of electronic and precision equipment, which is essential for various defense applications. Interested parties should direct any inquiries to Joseph Aprile via email at joseph.w.aprile2.civ@us.navy.mil, as phone calls will not be accepted. The contract action is being pursued under the authority of FAR 6.302, indicating a sole source requirement.