F16 Aircraft Covers The 138th Maintenance Group (Tulsa Air National Guard) has a requirement for thirty (30) complete, durable, and waterproof F-16 aircraft protective cover sets to safeguard exposed ... F16 Aircraft Covers The 138th Maintenance Group (Tulsa Air National Guard) has a requirement for thirty (30) complete, durable, and waterproof F-16 aircraft protective cover sets to safeguard exposed and fragile areas IAW T.O. 1F-16CG-6WC-1-41, SON, and commercial industry standards. Please review the Statement of Work attached and respond with your quotes before the deadline.