The Department of Defense, through the Naval Medical Research Center (NMRC), intends to award a sole source contract to Life Technologies Corporation for a preventative maintenance service contract known as the "AB Assurance Plan" for two flow cytometry machines. This contract includes one maintenance visit at no charge, remedial repairs, priority technical support, and remote monitoring services, ensuring the optimal performance of the Cytkick autosampler and Attune NxT 4 laser Flow Cytometer. The total estimated funding for the initial year is approximately $18,667.53, with the contract period spanning from June 17, 2025, to June 16, 2026, and includes four option years. Interested parties may submit capability statements to the primary contact, Shamai Carter, at shamai.m.carter.civ@health.mil, or to the secondary contact, Deborah Sharpe, at deborah.m.sharpe2.civ@health.mil.