(t~Jct/1A~ :~ur o0.3e:tr~/3.t1on oi.' ::!oa.!~:tng tol..a~-;1~ :.)loomoi l.J ":! .~.tagocy of 3~1.3luac1on3 of re?ortdd anssel Llair'. S~7lll~J:9 oo3~ :i~O: ~on~ :-rh !.:.'fn h:2t.ve be~n re"Jort~d o'L1 ""Elny-::cca3 i..)n.:J .l.nclud~d ::rl~!:':!'t L~g s~i.:l.er ~I do_, I l JOn r Ue from Drokan chemical 9lant f1lte~3~ J~d .33'' 1 ~i!.lv~r h~.lllJ.ad -r om cloud 3~eding 0:9<9 .. :~:tions. .\11 chr~e or theaa :-;henoma.\"'la .:l..)?ear in cha -::J,:U~ .r..anne c-.thich :JOU descr1 bed in yOtlr Bi:.:;hcL'rlg during th~ latt . .!r part ot~ ch~ 1'3.11 ot 1963. '".i~e r\1::-:;'orcct n ?pr-eciatas y.:Jllr_r:ontrlbut.i~3 to this !]:-og~u and ~Till a1d thls U.."'11quct u0.Sd:""l.'.lt l:>n to the 'tiari-:>us cau:3e'3 or ~..lnldancit lad flyL1:; obj ~ct ?~ct;orial 3ranch rnror-nacion Di"li;lion 1.)r L!fonnacion HEAOQU.,RTE:~S FOREIGN T:::CHNOLOGY DIVISION UJ?O SiiPting, Frlll of 1963, Th9.xton, Virgini:s. This office ia in recei~t of a 1ctter from Tha:~vn~ Virginia, ~roviding information on a sighting of 1r. ... :::~ fall of 1963. The fol.lo1.rtng is a suggested reply: Yo.1r observation of floating thistle bloo!ns is indeed a"l. inte:esttng case and it falls into tn~ general cat~gory of eva:uations of rl3,ort.ed ~angel hair''. s ilar observatio~a which have been reported on many occ~sions included migra~ing spider web, rayon residue from bro~en ch::::!.:.~al nlant f ilters s.nd seyeral silver hSllides from cloud nzed- in~ ::;>~::-ations. All t!l":'ee of these phenomen~ appear in t.he s )...'1\e :;:_(_-:~= -.t~ich you deac::-!1Jed in your sighting during the l atter pdrt of the fall or l?-b). e Air Fo~ce ep?r~ciated your contribu~iona to this ~rog~ s.r .. d ,."i.ll add this unique observation to the various eauses of ucla ttfied flyi~g object re~orts. A1.so, it is u nusual for moat privo.te citlzens to hav~ a f~eling for the relationship of sizes and t heir diste~ces of the obj~cts which they report. This is just one of' the m3Xly problems which confront the scientists and specialists Who evaluate the UFO reports. Again, w~ vish to express our appreciation for excellent report. Sincerely, tZ \.., J Jl ' \ i"[!f~t;l ,g'-vCkltl;