The Department of Defense, specifically the Naval Air Warfare Center Aircraft Division, is seeking to procure maintenance and repair services for four climatic chambers on a sole-source basis from Russells Technical Products, Inc. The objective of this procurement is to ensure the preventative maintenance of these critical instruments, which are essential for testing and evaluating various aerospace components under controlled environmental conditions. Interested parties should note that responses to this presolicitation must be submitted within fifteen days of publication, and inquiries can be directed to Jeff Chelston at jeffrey.m.chelston.civ@us.navy.mil or by phone at 240-577-5754.