In one embodiment, a secure communications processor is provided. The secure communications data processor comprises a satellite datalink gateway; wherein the satellite datalink gateway is configured to translate data, to be transmitted to or received from a satellite communications system, from a first internet protocol to at least one of a second internet protocol or another protocol, and to be received by or transmitted from a router; a satellite communications link processor coupled to the satellite datalink gateway; and wherein the secure communications data processor is configured to be coupled between at least one router and a satellite communications radio system, and to be installed in a vehicle separately from the at least one router and the satellite communications radio system.