MAT: NDG Chief of Naval Operations Department. of the Navy Washington 25, D. C.Dear Sir: Reference is made to your letter dated January 5, 1953, subject "Denger Area for CASTLE" and subsequent letter, sane subject ted April 9, 1953. : In reply to the request contained in your January 5, 1953 letter that the Atomic Enermyr Corrission determine the deve for es- £* we wish to fix July 1, 1953 as that date, Lic Proving Grounds, The danger area should comprise the area bounded by the meridians 160° 35! - 166° 16: east longitude, and by the parallels 10°15! - 12°15! north latitude as agreed to in your letter of April 9, 1953,. It is suggested that the Commander, Joint Task Force Seven be contacted to determine when, for operational reasons, active security measures should be undertaken for safeguarding the area, Sincerely yours, ° K, E. Fields Brizacier General, USL Director of Military Application THIS PAGE ONLY CLASSIFICATION CANCELLED AUTHORITY: DOE/SA-20 , BY: D. R. GILSON, ate. -19-94 yc y Encl, 13 |

Select target paragraph3