There is provided a mobile satellite communication terminal system including a transmit/receive sub-system. The transmit/receive sub-system includes an antenna dish, a feed boom assembly, and a power supply unit having a first power input adapted to receive alternating current power and a second power input adapted to receive direct current power. The power supply unit is able to operate on either alternating current or direct current for supplying power to the transmit/receive sub-system. The power supply unit is received in a grip case. A transport container is provided. The antenna dish, the feed boom assembly, and the grip case are received in the transport container.