Foreword 



To look at an entire ocean at one time, to examine the atmosphere 

 that covers it and the sun that heats it, or to measure the continents 

 that restrict it — these are but some of the things an orhltlng 

 spacecraft can do for oceanography now, and they are only the start. 



T. K. TREADWELL 



Captain, U.S. Navy 



Commander 



U.S. Naval Oceanographic Office 



