owe - =e a A et a a ne eee reRae we under favorable conditions the detection of bomb light can be made to about 600.km distance. At the present stage of development, it does not appear that the detection of light from a nuclear bomb burst is a feasible tool for long range detection. : : tag ¥ ee ethan amare tet Min one > i? 7h 4 ” Meme ‘ ; md . emo ate me ce amp Ee es tr a Ae ramenrm omen eS meet It is believed that any further work should be devoted to a study of the basic phenomena; for example, the travel of the emitted light following the curvature of the earth and the lower noize level in the red region of the -pectrum.