From 2005 to 2007 SpaceDev was working for the Missile Defense Agency (MDA) on the DSE (Distributed Sensing Experiment), a cluster of three microsats to perform tracking of ballistic targets. They were to work in tandem, to provide more capability than a single larger satellite.
|Type / Application:||Technology|
|Power:||Solar cells, batteries|
|DSE 1||-||modified||with DSE 2, DSE 3 / modified as Trailblazer|
|DSE 2||-||cancelled||with DSE 1, DSE 3|
|DSE 3||-||cancelled||with DSE 1, DSE 2|