The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the procurement of 13 units of Control Indicator, A, under a sole source requirement. This procurement is essential for maintaining operational readiness and support for aircraft systems, as the items are critical components that require Government Source Approval prior to award. Interested vendors must provide the necessary documentation as outlined in the NAVSUP WSS Source Approval Brochure, which can be accessed online, and should direct any inquiries to Jacob Wells at jacob.r.wells1@navy.mil or by phone at 215-697-1227. The solicitation is part of the ongoing efforts to ensure the availability of necessary aircraft parts and is governed by the terms and conditions of BOA N0038322GY601.