The first \"we\" you were asking about is the Hamilton Sundstrand propulsion group. With help from both WY & NY ANG personnel, I have been installing the EPCS and NP2000 systems on ANG aircraft. The EPCS system can be installed as a stand alone system with the 4-blade 54H60 prop or EPCS can be the 1st stage of a complete NP2000 8-blade propeller upgrade.