 The spacecraft were operated over the 88-day acquisition phase, divided into three 27.3 day long nadir-pointed mapping cycles.Twice each day there was an 8-hour pass in view of the Deep Space Network for transmission of science and "E/PO MoonKam" data.At the end of the science phase and a mission extension, the spacecrafts were powered down and decommissioned over a five-day period.