This is a non-competitive, firm fixed-price solicitation from the National Institutes of Health (NIH) to Carl Zeiss Microscopy, LLC for scheduled and emergency service on ZEISS LSM 880 and Axio Observer 7 microscopes. The microscopes are used by the NIDA/IRP Confocal and Electron Microscopy Core to collect images of tissue sections from animal models for addiction and other diseases. The service is required to ensure continued support for intramural research experiments and protect the investment in ongoing studies. No specific timelines, budget amounts, or location for performance of services are mentioned in the description. The acquisition is conducted under streamlined procedures and is not expected to exceed the simplified acquisition threshold.