Operetion clan CTG 7.3 No, 1~53 (5) all persons in aircraft at shot tine, or at subsequent tincs wien engaged in operations in or near the cloud or Radex track, shall wear filn badges, (6) Crew members of aircraft in the air et EH hour will take (7) In the event that 1t becones necessary to launch fighter air- special precautions to avoid (for at least 10 seconds) the direct and reflected light resulting from the burst. At the discretion of the airplane cormander this nay be done with protective high density goggles, by turning awny from the burst with eyes closed, or by covering, the eyes with the fore— art, craft, the aireraft controller shall make every effort to keep these planes Cleer of the air Hadex to the taxioun extent allowed by the tactical situation, ee In air and water the following, continuous levels of radioactivity are considered safe from the viewpoint of personnel drinking and breathing (uc = nierocurte): Beta—Ganna Enitte 5% 107) uc/ce lealcu~ Weter lated to H f 3 days) Air (24-hour average) Particles less than 5 nicron dianeter 15-6 ue/ce farticles greater than 5 micron diareter 10 ue/ee 13, In tactical situations the OTC rmst make the decision regarding allowable exposures, As nilitary personnel are norrally subject to only randon exposure, health hazards are at a ninimuo, Current Department of Defense infernation on expesure to ganna radiation in tactical situations {a indicated below: . a, Uniforn acute (inmediate) exposure ef 5C roentgens to a croup ef Armed Forces personnel will not appreciably affect their efficiency ea a fighting unit, »,. Uniform acute expesure of 100 roentgens will produce in oecasional individuals naupea and veniting, but not to an extent timt will render Arned Forces personnel ineffective as fighting units, rersonnel recciving an acute radiation exposure of 100 sr more roentgens should be ¢iven a period of rest end individual evaluation as soon as possible, c, Uniforn acute exposure of approxinately 150 rocntgens or ereater ean bo expected to render armed Forces personnel ineffective as treops within a few hours through a substantial incidence of nausea, voniting, G-I-6