Tho. «3 General Estes- (Cont'd) je 11 March 195% Tho data mentioned in the introjuctory paragranh of this letter injicete that the BRAVO sampling mission was very — successfile It is my belief thet the degres to which such missions ere effective reflects the degrees to which Air Foree operational probless ani the selentific problems imposed by the cloud ere mitually understsoi snd reconeflled. It {8 notevorthy that your operations were flexible encugh to evoid conpromise of the sampling mission throuth a period of temporary loss of-your surfsece control fucilities. * There would oppsar to be fey creas in which fumroverent can be made. Eoms of these have been mentioned above xn ara sumarized as followst ‘ Fiwié. tg, &e Complete defrosting modifiestions in E®~ end be “ring in Sniffers at en eltitude above cirrus clowd . e¢. Maintain interim trefninz of sannling pilots on Qe “Triunsier control of the we2G to the PRM ct enroute and in tia leecl shot erete speciel instruments end equipment between choise an eerlier tince Melis: Appondix J Reef j-v Diztriboljons 2h © General Fstes ye.erea) Estes oA 2A Dr. Ogke (craves) he Fe Piank Ke We Spence (LATL} LA 5h 64 Bo se) Files ah AA Mi (JF) Seq MED ew LASL & LID © O3R re 6, ae *~/ BO ft pe of