Show Officials Estimate Third One of Japan Fleet Sunk v WASHINGTON ASHINGTON March 2 UP jp Estimates that one- one third of Japans Japan's pre Pearl Harbor combat fleet has been destroyed ed came Thursday from high naval na authorities One Ono authority who asked that he not be quoted directly direct direct- J ly t varned that th the l it Is strong al although although at- at tt though l pan is badly Jackh lackIng lack lack- h Ing J in hi In air ir power He described the attack on tho the hn Admiralty ralty Islands as orI originally a a in force which was vas converted concerted cO Into a a 8 hea heavy strike when General Douglas Mac MacArthur Arthur found an opportunity to lau launch ch IL A profitable assault asnault |