This notice announces a solicitation for multiple indefinite delivery, indefinite quantity contracts for wireless services. The Naval Supply Fleet Logistics Center intends to award contracts valued at a total estimated $993.5 million over one base year and four one-year options. Services required include all wireless technologies, software, hardware, equipment, and enterprise mobility management to provide continuous, uninterrupted coverage for voice, text, data and WiFi throughout the United States and internationally for government travelers. Offerors must demonstrate ability to serve major cities and military bases. The solicitation will be posted on April 15, 2016 on the Navy Electronic Commerce Online and FedBizOpps websites. The closing date for proposals is May 31, 2016. Questions are due by April 8, 2016 and must be emailed to cellmac@navy.mil referencing solicitation N00244-16-R-0018.