1-RHONT ~001-001 115 of 115 items 3ER 28096 cAT 34685 Eng Itr-1643;Wt-1643 Jones, B D Harris, A K Townes, WD W 0632399998 Army Signal Research And Development Laboratory. Fort Monmouth, N. J. U Effects Of Nuclear Detonations On The Ionosphere, Operation Hardtack, Project 6.9 Considered Final, (itr Report Is No Wt Will Be Issued) Cfrd-di 27P Hardtack Koa ~ Radiation Effects Fir - Radiation Effects (0) High Altitude Nuclear Explosions - Radiation Effects Vhs eumunt SE lined 4; thyg lw Ztnag -