a! 2.2.2 and 2.2.10 Addendum. Objectives. Programs 10 and 18. 2-51 Teak { The objectives were to measure the total thermal, thermal power, time interval and optical-spectroscopic observation of high altitude fire-ball phenomena. oy ¥ gfotat thermal measured at Johnston Island — 3 2 Featories per cm . Assuming atmospheric transmission c. V638 which was the mean noon value on four preceding days, +7: corresponding thermal energy release from the bomb was DELETED. pELETED This low thermal energy release (as seen from sea level: “tenot unrealistic because a large fracticn of the early he ot temperature fireball radiation resides in the u:‘ra viole:. which is absorbed in the atmosphere, parviculariv in the ¢zone layer. The duration of the thermal pulse for deposition of 90% of the incident energy was ee The resultsofthe experiments designed toattain the cor‘oy\ poe ENnL & third and main objective of the two programs were unfévorably “flo, BETected by the burst location error. Specifically, informa- % ¢. thon on the very early development of the fireball could not be obtained, since none of the collimated instrument channels ”