The Department of Defense, through the Army Medical Research Acquisition Activity, intends to award a sole source contract to Vitrocell Systems for the procurement of a Vitrocell Cloud Alpha 12 system and associated accessories. This contract is part of a project funded by the Defense Threat Reduction Agency aimed at enhancing capabilities at the United States Army Medical Research Institute of Infectious Diseases for aerosol exposure of pathogens, requiring specific system features such as compatibility with 24-well inserts and the ability to nebulize liquid aerosols. Interested parties are invited to respond within 15 days to this presolicitation notice, as the government is open to considering competitive procurement based on the responses received; for further inquiries, potential vendors can contact Eric Zampelli at eric.m.zampelli.civ@health.mil or by phone at 301-619-8807.