The Department of Defense, through the Naval Surface Warfare Center Philadelphia (NSWCPD), intends to award a Firm-Fixed-Price Basic Ordering Agreement (BOA) for engineering and technical services related to the design, development, and fabrication of the MARC 350 Low Pressure Air Plant (LPAP) Ship Change Document (SCD) 21178, in collaboration with RIX Industries. This procurement is critical for ensuring the operational readiness and efficiency of naval air systems, highlighting the importance of specialized engineering services in defense operations. The government plans to negotiate with only one source under the authority of 10 USC 3204(a)(1), but interested parties may express their capabilities prior to the closing date of the notice. For further inquiries, interested vendors can contact Kimberly DeLuca at kimberly.m.deluca2.civ@us.navy.mil or Matthew Riggitano at matthew.a.riggitano.civ@us.navy.mil.