UNCLASSIFIED SECURITY CLASSIFICATION OF THIS PAGE Form Approved OMB No. 0704-0188 REPORT DOCUMENTATION PAGE ta 2a REPORT SECURITY CLASSIFICATION UNCLASSIFIED Exp. Date: jun 30, 1986 1h RESTRICTIVE MARKINGS , SECURITY CLASSIFI ATION AUTHORITY 3 N/A since Unclassified DISTRIBUTION / AVAILABILITY OF REPORT Approved for public release; 2b DECLASSIFICATION / DOWNGRADING SCHEDULE N/A since Unclassified distribution is unlimited. & PERFORMING ORGANIZATION REPORT NUMBER(S) 5S MONITORING ORGANIZATION REPORT NUMBER(S) WT-1682 (EX) 6a NAME OF PERFORMING ORGANIZATION 6b OFFICE SYMBOL (if applicable) Joint Task Force Seven 7a NAME OF MONITORING ORGANIZATION Defense Atomic Support Agency Task Group 7.1 6c ADDRESS (City, State, and ZIP Code) 7b ADDRESS (City, State, and ZIP Code) Washington, DC 8a. NAME OF FUNDING: SPONSORING ORGANIZATION 8b OFFICE SYMBOL (if applicable) 8c ADDRESS (City, State, and ZIP Code) 9 PROCUREMENT INSTRUMENT IDENTIFICATION NUMBER 10 SOURCE OF FUNDING NUMBERS PROGRAM ELEMENT NO ‘1 TITLE (Include Security Classification) PROJECT NO TASK NO WORK UNIT ACCESSION NO OPERATION HARDTACK Report to the Scientific Director; Report of the Commander, Task Group 7.1, Extracted Version 12 PERSONAL AUTHOR(S) 13a TYPE OF REPORT 13b TIME COVERED FROM TO 14 DATE OF REPORT (Year, Month, Day) 580801 |15 PAGE COUNT 16 SUPPLEMENTARY NOTATION This report has had sensitive military information removed in order to provide an unclassified version for unlimited distribution. The work was performed by the Defense Nuclear Agency in support of the DoD Nuclear Test Personnel Review Program. 17 FIELD 18 | COSATI CODES 18 3 Nuclear Effects (General) GROUP SUB-GROUP SUBJECT TERMS (Continue on reverse +f necessary and identify by block number) Hardtack Nuclear Weapon Phenomenology 19° ABSTRACT (Continue on reverse if necessary and identify by block number) This report gives a summary of the experimental programs carried out during Operation Hardtack. These experiments were designed to determine nuclear weapons effects and help to explain nuclear weapons phenomenology. 20 DISTRIBUTION AVAILABILITY OF ABSTRACT EK] UNCLASSIFED UNL MiTED c2a NAME OF RESPONS BLE MARK D. FLOHR DD FORM 1473, a4 mar [1 SAME AS RPT NOIVIDUAL C] otic users 21 ABSTRACT SECURITY CLASSIFICATION UNCLASSIFIED 225 TELEPHONE (include Area Code) (202) 325-7559 83 APR edition may be used until exhausted Allotner editions are oosolete 22c OFFICE SYMBOL DNA/ISCM SECURITY CLASSIFICATION OF THIS PAGE UNCLASSIFIED