International Telemetering Conference Proceedings / October 27-30, 1997 / Riviera Hotel and Convention Center, Las Vegas, Nevada / Alliant Techsystems’ Advanced Technology Applications organization incorporates the latest IRIG standards for range equipment and operation. Over the past five years, our objective has been to assure interoperability among diverse data recording users while achieving technical excellence for our ADARIO(Analog Digital Adaptable Input Output) family of products. In this paper, we summarize 25 years of ADARIO development; technical challenges, risks and processes; as well as our five-year effort to modify and develop our recording system products to meet the evolutionary standards of technical excellence.