The Army released its UTTAS request for proposals ( RFP ) in January 1972 .
Based on experience in Vietnam , the Army required significant performance , survivability and reliability improvements from both UTTAS and the new powerplant .
The Army released Army UTTAS UTTAS request for proposals ( RFP ) in January 1972 .
Based on experience in Vietnam , the Army required significant performance , survivability and reliability improvements from both UTTAS and the new powerplant .