XX CONTENTS 



14-21 Future Possibilities in Airborne Active Ground Mapping 



Systems 787 



14-22 Introduction to Infrared Reconnaissance 787 



14-23 Basic Principles Concerning IR Ground Mapping . . 788 



14-24 System Considerations 791 



14-25 Major Systems Features 798 



14-26 New Developments 801 



Index 805 



