Refere to caee tile. A'I'IC KYAL: . FOIM11J_,AIT I lFJAOVID t 1 .. .INIEIIJGENCE INFORMATION REPORT OD the U-12 ot Jllroh 19SI&, .&Dti-Aircra!t unit. nmer the 7uth U Battalj in the vicinity at Pitt.bU!'f(h, Pa., reported unll!!ual return on their instrwwsnta. Report.a of the inoid.,t ,_.." !lade and thl'u cbannel..t. Due to vol~ nncl oa.plaxi t7 ot the reporta, no att..pt to ~ or sW~r.~&rise he b .. n mede Baai: lett.-~ i:lcl.\)IIQI wnre tea urded to &ladquartera Joth Air Diri..81oa (Det ... ) re tlla\ a stud;r ot the repOI't be :lade b7 a qualified experi- Blectroni Oftioer Ch, Docu.ftt Diastnination D1Yiaion . J Do-.ntraded at 3 1e&P tf interra.la; declasaifie4 ar \er 12 year3 / tJ CLASS1FJED ..... or n U .. IIIDirA111 WiiNN TMIMIMINe OPTHI ~C. li U. l C.- 1ft T.-Olll111 111 CDfiDII 1 M'f TO AN II IV LAW. ...... IIMf. lit-_,. II'A111-I'IDIICI DUIICTOit 01