This requirement is conducted under FAR 6.302-1, Only One Responsible Source and No Other Supplies or Services Will Satisfy the Requirement (see attached sole source letter). This is a notice of intent to award a sole source procurement action and is not a request for competitive proposals. Firms who want to challenge the sole source must submit an interest letter that demonstrates your firm's ability to provide an equivalent service as described above. Interested parties must provide rationale as to why they should be considered. All interested firms must respond to this synopsis by 1 November 2015, 1:00 PM Arizona Local Time to Mr. Jeremy Dedmon, 355th Contracting Squadron, 3180 S Craycroft Rd. Tucson, AZ 85707. Or E-mail [email protected], Phone (520) 228-5255 or Fax (520) 228-5284. Responses received will be evaluated; however, a determination by the Government not to compete the proposed procurement based upon responses to this notice is solely within the discretion of the Government. Information received will normally be considered solely for the purpose of determining whether to conduct a competitive procurement. The 355th Contracting Office will not reimburse for any costs connected with providing the capability information.