 Sikorsky targeted the S-97 for the AAS program, aiming for the helicopter to fly before the Army downselected.Sikorsky invested $150 million and its 54 suppliers (who provide 90% of the parts) spent the remainder of a total of $200 million on two prototypes; production models aim to meet the program's $15 million unit cost target.However, the Army ended the AAS program in late 2013.