ra. “w TE 5 AS Pim. Ms FAKE L ¥ jun WT-1682 (Prelim.) (Report: SECRET) Card: UNCLASSIFIED Joint Task Force Seven, Task Group 7.1 OPERATION HARDTACK, APRIL AUGUST, 1958. REPORT OF THE COMMANDER, TASK GROUP 7,1. August, 1958, 166p. 1. I. Hardtack Corp. Author N3 EG&G-B-1765 Edgerton, (Report: SECRET) Card: UNCLASSIFIED Germeshausen and Grier, Inc. l. Hardtack-- AEC RESEARCH AND DEVELOP-~ I. Corp. Author PROGRESS FOR THE MONTH OF JUNE, 1958. MENT CONTRACT NO. AT(29-1)-1183). July 28, 1958. 35p. "Alpha" _ N3 EG&G-L-358 (Report: SECRET) Card: UNCLASSIFIED Edgerton, Germeshausen & Grier, Inc. HARDTACK INDICATOR SENSITIVITIES. April 10, 1958. 15p. l. 2. __3. I. YQ. Hardtack--"Alpha'' "Alpha" Measure ments Hardtack Corp. Author LV-03274 1 a roger Lae