HEADQUARTERS, Joint Task Force SEVEN Washington 25, D. ©. 10 November 1953 Annex P to CJT? SEVEN Operation Plan No. 3-53 SCIENTTTIC ‘TASK GROUP SUMMARY OF TASKS (TG 7.1) The following is a summary of tasks to be accomplished by the Scientific Task Group during the CASTLE on-site operational phase. CTG 7.1 wills: a. Position, arm and detonate the weapons and devices. b Conduct technical and measurement programs (Annex E applies). c. Complete the installation and calibration of the devices and all anstruments and test apparatus, d, Recommend to CJTF SEVEN safe slant range distances from ground zer- for aircraft during shot periods. e, Conduct the radiological safety program (Annex N applies). *, Provide technical and technical report film coverage in conformity with Annex T, g. Schedule the inter-atoll movement of weapons and devices and provide required technical assistance to other task groups in connection with their responsibilities for such movements. h. Be responsible for the removal of all TG 7.1 personnel and neces- sary equipment from the shot site danger area. i. When directed by COTF SEVEN, evacuate TG 7.1 personnel from BIKINI ATOLL, j. Be prepared, upon directive from CUTF SEVEN, to conduct emergen- cy post-shot evacuation of TG 7.1 personnel from ENIWETOK ATOLL. k. Keep CJTF SEVEN informed on test and technical developments affecting the operational plan and military support requirements therefor, 1. Prepare appropriate technical reports at the conclusion of each shot and the overall operation (Annex E applies). m. Provide CUTF SEVEN with a statement of preliminary test results at H plus 1, H plus 12 and H plus 72 hours. P. W. CLARKSON OFFICIAL: 1%, Ss. fat Major General, U.S. Army Commander ° Colonel, U.S. Airlforce Assistant Chief of Staff, J-3 Regards E wot in original F-1