These models are built near to scale and fully textured. They are externally detailed and include many animateable features. These include landing gear, landing gear doors, propellers, ailerons, flaps, elevators, and rudder. These models are also provided in multiple formats . TheRC-12D model being the first of the series, they have been developed through several versions to this model the RC-12P and beyond. This aircraft the RC-12P was most different from the RC-12K. It is also is equipped with dual EFIS, ASE/ACS avionics systems. The ASE suite included the AN/APR-39 radar warning system and various countermeasures, chafe and flare systems. These began service in 1992-1993 and were based out of Hunter AFB in Georgia. These aircraft are used to gather intelligence through interception of enemy electronic signals and relay. They are used to monitor enemy radio and other electronic transmission and signals and relay them to intelligence units for interpretation and analysis. This mission is similar to the EP-3 Aries series of aircraft used by the US Navy.