Keywords: High Altitude Sounding Projectile loading on USS John S. McCain (DL-3) c1962.jpg U S Navy sailors load a High Altitude Sounding Projectile HASP into a Loki rocket launch tube aboard the destroyer leader USS John S McCain DL-3 circa 1962 The tube was fitted to a 127 mm/54 caliber Mark 42 gun <br>The Loki was originally the 76mm HEAA Rocket T220 an unguided anti-aircraft rocket based on the German Taifun rocket Like the Taifun Loki never saw service in its original role but later found widespread use as a sounding rocket the HASP http //www navy mil/ah_online/department_arch html U S Navy All Hands magazine http //www navy mil/ah_online/archpdf/ah196210 pdf October 1962 p 29 ca 1962 USN All photographs published in ALL HANDS are official Department of Defense photographs unless otherwise designated PD-USGov-Military-Navy Loki sounding rocket 5 /54 caliber Mark 42 gun USS John S McCain DDG-36 |