The Patriot Guard Riders staged in the Church parking lot. Prior to the Mission Briefing, the Riders were honored to serve as Pallbearers for the transfer of PO3 Lock from the Coach into the Church Sanctuary. Following the Mission Briefing, the Riders stood the Flag Line for the arrival of Family and friends at the Memorial Service of PO3 Lock. The PGR Certificate of Appreciation was presented to Mrs. Lock and the Family just prior to the Service.  After the start of the Service, Flags were furled and the procession safety briefing conducted. A second briefing was conducted at the DFW National Cemetery Visitor’s Center. Following the Mission briefing, Riders proceeded to Shelter C. Upon arrival at the Cemetery, four Big Flag Honor Bikes continued into Lane C with the Procession. The remaining Riders proceeded to the Shelter and joined the Flag Line for the Interment Service of PO3 Lock. The United States Navy conducted Military Honors. At the conclusion of the Service, Flags were furled and Riders dismissed.