Cybelle Castillo

97 Conf/pka serves as a secondary procurement liaison within the FA4419 agency of the Department of the Air Force, supporting the sustainment and modernization of critical air base infrastructure and aerospace maintenance systems. While not the primary contracting officer, they play a vital role in facilitating acquisition planning, vendor coordination, and contract administration for mission-critical support services. Their work ensures operational readiness by enabling timely procurement of industrial maintenance, environmental systems, and specialized equipment essential to airfield and aircraft sustainment operations. They typically handle complex, non-commodity acquisitions requiring technical evaluation and interdepartmental alignment. Their primary contractor relationship is with Coordinated Defense Supply Systems, Inc., a trusted vendor providing specialized industrial maintenance and logistics support for military aerospace assets. This partnership reflects a pattern of sustained collaboration with vendors capable of delivering niche technical services under strict defense compliance standards. The working relationship is characterized by recurring engagements, performance-based contracting, and reliance on vendors with proven experience in military facility and equipment sustainment. 97 Conf/pka demonstrates a strong preference for small business participation, with approximately two-thirds of acquisitions set aside for total small business under FAR 19.5. This reflects a deliberate strategy to leverage small business innovation and capacity in supporting Air Force infrastructure needs. While no other socioeconomic set-asides are dominant, the consistent use of small business set-asides signals a commitment to broadening vendor diversity and fostering resilient supply chains within the defense industrial base. Procurement activities are concentrated in NAICS categories related to industrial machinery repair (811310), manufacturing of material handling equipment (333924), and specialized chemical production (325998, 325320). These reflect a technical focus on maintenance of ground support equipment, industrial fluid systems, and facility-specific chemical applications. Their expertise lies in procuring mission-enabling services that bridge maintenance, environmental compliance, and operational logistics for air base sustainability.