SMDC ONE (also known as SMDC-ONE) is a 3U CubeSat satellite with dimensions of 0.3 meters in length and diameter, and spans 0.3 meters wide. It has a dry mass of 4 kilograms and was launched on December 8, 2010, from the Cape Canaveral Air Force Station's Launch Complex 40 using a Falcon 9 launch vehicle. The satellite is owned by SMDC and manufactured by SMDC/MILTEC for communications purposes. It uses solar cells and batteries for power and has an expected lifetime of one year. Its shape is box-like with a radar cross-section (RCS) value of 0.0631.