< Bow) Preject 5.9 - Weapon Effects on Missile Structures and Materials let Lt C. J. Copensea - Bmore ---- e The primary purpose of this exposure wis to compare the effectivensss of lower temperature and longer time thermal inputs froe a high yield shot wits those from a lesser yield shot. TESTEGEIATION A light veight 15% foot tower waa erected at a range of 525 feet fron ground sero for the purposes of exposing nine sphericos) speciaens. Tvo 10 ineh steel spheres vere suspended from a beew at the FH fect level. . At the top of the tower vas mounted an array eomaisting of tvo 10 inch end two 8 inch steel spheres, one 10 inch aluminus sphere and two 9 inch steel spheres containing several) inserts of various asteriels. MRSULIS No regulte ere available at this time. The rediation level of the Feeovery area is 90 high that mo speaizens have ben retrieved. Aerial photographs have been taken to preserve, for future use oe recovery, any evidence of the penetration of the specimens into the ground. BEST AVAILABLE Y COP conan q sw ~