1. DA Tl TIMI Cii0U' 9. ~HYSICAL IYtDIICI FTD "' u o.J2t 2. LOCATION 10. COMCLUI&OM aeha -.. f/1 1QJ1 fc a r nils l NoYeJDber 19Sl Dear Capt.. Hardin~; \1e haYe been s\l bus)" with the Black Hawk, s. Dakota case that I 'v'! onq Just now t;otten down to loold.ni over t.'le large b.l.tch ol aecum- ul.t.t~d r~porta. I nuat s3.",/ that compared with Bl..ack Hawk, none ot these ar>r>M~f;h!s ~t tncid"nt in .interest. There are a !t!!fl interesting sight- but on none o L' these is inform.a tion autf1c1ent to Dl3.ke a !ollowup proi'1.table. at th~ int~t~jtl.::~ ones th~ v~ry s1m1lar t:1c.11t1n~.s ot 1 .~ng'J1t at Key ~.,,., t : ,,.l ,l narre:tt Collow-up it they ~re more :;i."":"n k're~t.mt ini<.l' .. '"""' ...... ,, ~have no suguested explarut.ion. 24 Jul1' &nd The 26 J u I l e l ' t:l AFB 'feY~S al~JO holds possible interest !rO!:l th !Jt:lrdpoint or r.L:l.' "'': , .. ,.:; ~ :'ld the !3.Ct they \fe.re obsarved from the Control To . .,er a."ld b7 civ ~ . , t Demiaon, Texas. It is tor ~ P ., is not ~ore information on C-reula Al:l. Ths.se C&lft8 cowr tour .... ~ .. ,. dq. There is po3sibly P.J dirt 1n these. Finally, h .:idi Sliln&ne oighting ia d~finitely pu~:lin1 and 1 U prob&bl.7 haw to z~1'1in on the book as unexplainsd. there is so 11 t tle infomaticn con- cerning those wr; ~ .) .) t h.1ve obvious explanation. tha.t there is no p'r- centa.ge wb&t.v'r :1 tJerlnl thea aerioual.y. Thus, out v! t'.ile total number t~ere are 4 ind~pendent s~ts i'Yhich, it st< ncl ltere &'f&ilable, would be tnter tina to pursue. Personll7 I vote tor atiald.i~ rrit.h the Blao:. Hawk case WltU -.ve haft sc;ueezed it dl"l" I !~el certain thai', U' ti11a cue can be expla1ned othara 1t0uld follow suit Ccaceming the BJ ack Kavk cue we are proceeding slowl.r but surel7 v.'it.h the inYeti&ation. Solid obj.,ct. are ce~-..ainl;,r itl:iic;z.t~ by the e'Tidsnce. Since tbe obsetvationa covered aenral hours a.."ld s; t;.."ltiniS were both Visual ar~ radar, it is important, in ~ estimation, ~hat we ecntir.ue to ~ursus this sir.c., .f'ailure to tc1~nt1!y pinpoints a poasibla rez.l we31<r.ess L~ cur duer.se