photographs, although one had a bad timing error. This shot is the best documented in the entire program. Table 5.4 describes all cameras operated for cloud study projects, and the results are plotted in Figure 5.4. All three curves are good to +2 percent for the first 2 minutes, deteriorating thereafter to an estimated +7 percent at 10 minutes. . Twoofthe aircraft were moved out to the 75-to~100~mile range for this shot and obtained good photographs to 15 to 20 minutes. Unfortunately no position data are available after 12 minutes for one ship, and the other plane used the camera with the timing TABLE 5. 3 Film EG&G Number ‘“LML 24167 24168 24169 24170 125C 132B * FILMS EXPOSED, SHOT 4 Loca Won Nav. Data ‘Comments 130B RBSI6 5561 6615 5482 OK OK Fair Poor OK 3.7 minutes Poor, not read Camera jammed Underesxposure, read 5.2 24171 ALD28 RBIG OK OK 7.5 minutes 24172 24173 24174 24150 24183 ALD33 ALDSL ALD34 5615 5482 6562 HOW NAN . . 24166 24157, 24162 24163 24164 24168 , . Fair None ox HOW NAN PARRY How NAN minutes OK 11.4 minutes Poor, not read NG, not resd OK 30 seconds OK 36 seconds Fogged NG Fair 40 minutes Fogged OK 3 minutes NAN OK 2 miaute error. Thus no attempt has been made to obtain later-stage information by triangulation methods. 5.6 SHOT 6 Cloud cover wag heavy at shot time. For a while, two planes saw tho nuclear cloud — between layers of natural clouds. The photographs are of poor pictorial quality, but they TABLE 6.4 FILMS EXPOSED, SHOT § ¥ Film Number 24267 24264 24268 24270 24271 128C213282 13202 -125D ~ALDST EG&G LML 24272, ALD35 24273 ALDAL 24274 «=ALDI6 24280 24253 ° 24256 24257 24263 24264 24268 Loca- Nay. RBI6 856% 8615 482 RBIC OK OK OK AOC OK. OX 2.8 minutes OK 5.1 minutes OK 1.5 minutes OK 3.4 minutes OK 6.0 minutes Fair aoc ox OK 7.1 minutes OK 15 minutes Timing ? read 19 minutes OK 36 seconds OK 45 seconds tion Data 6615 8462 656% HOw NAN - HOW "Comments Fogged NAN, Fogged NAN Fogged HOW Pogged NAN . Fogyed yleld surprisingly good measurements. The other two planes and all ground cameras were obscured by clouds and obtained no pictures. Table 5.5 summarizes the films. One of the successful planes furnished good navigational data in close agreement with the Air Operation Center (AOC) figures; the other plane disagreed drastically with AOC. 25 SECRET Dy Te ent a Haregee pea