APPENDIX "D" DRAFT IETTER TO THE CHAIRMAN, MLC 1. The Atomic Energy Commission has approved, and requests your concurrence in, the test program for Operation HARDTACK, to be conducted at the Eniwetok Proving Ground commencing on or about April 15, 1958. The list of shots included in the program is attached. “2 | aovenf ‘Five shots in the program are weapons effects tests for the Department of Defense. | The question of this demonstration shot is currently being considered by the Commission. is not required, If the demonstration this shot would be deleted from the program. 3. In addition to these shots planned for firing at the EPG, cnere will be certain shots fired at the NTIS, both prior to and following the HARDTACK operation. — HOH ar a sme ft ° | No significant nuclear reaction is expected from these firings. | Dw Lie I Theradioactive products of these tests will be completely contained underground. Appendix "D"