ACKNOWLEDGMENTS Task Unit 7 (TU-7) wishes to acknowledge the cooperation and support of the following organizations. Their combined efforts were largely responsible for the success of the radiological-safety operations during Operation Redwing. Health Division, Los Alamos Scientific Laboratory (LASL) J-Division, LASL Supply and Property Department, LASL . Albuquerque Operations Office, Atomic Energy Commission (AEC) Holmes and Narver, Inc. (H&N), Los Angeles, Calif. Office of the Chief Chemical Officer, Washington, D. C. U. S. Army First Radiological Safety Support Unit, Chemical Corps Training Command, Ft. McClellan, Ala. (the First RSSU) In addition, the following individuals are to be credited with making significant contributions that materially assisted TU-7 during all phases of the operation: Thomas L. Shipman, Health Division, LASL Duncan Curry, Jr., J-Division, LASL William R. Kennedy, Health Division, LASL Leo G. Chelius, Health Division, LASL Dean D. Meyer, Health Division, LASL Simon Shlaer, Health Division, LASL Major Charles L. Weaver, U. 9. Army