APPENDIX 8 TERMS, ABBREVIATIONS, ACRONYMS, AND UNITS Many of the definit‘ons in this glossary relating to nuciear device and radiation phenomena have deen quated or extracted from The Effects of Nuclear Weapons (3rd editioni, S. Glasstone and P.J. Bolan, 1977. AAA, Anti-Aircraft Artillery (Army). AAGGM. AACS. Anti-Atrcraft Artillery and Guided Missile Center, Ft. Bliss, Texas (Army). Airways and Air Communicatian Service (Air Force). AAU. Administrative Area Unit (Army). ACS. Army Chemical Center, Edgewood Arsenal, Maryland. accelerometer. ACF. An instrument for determining the acceleration of the system with which it moves. American Car and Foundry, Inc. Later ACF Industries, Inc. AEC. Atomic Energy Commission, Washington, 0.C. Independent agency of the Federal government with statutory responsibilities for atomic energy matters. No longer exists; its functions have been assumed by the Department of Energy and the Nuclear Regulatory Commission. AF. Store ship (Navy); also Air Force. AFSWC. Air Force Special Weapons center, Kirtland AFB, New Mexico. AFSWP. Armed Forces Special Weapons Project. AGC. Amphibious farce flagship; now tcc. airburst. not The detonation of a nuclear device in the air at a heignt such that the expanding fireball does touch the earth's air particle trajectory. AKA. luminosity (emission of Jight) is at a maximum. The direction, velocity, and rate of descent of windblown radioactive particles. Attack cargo ship; now LKA. allowable dose. ALOO. surface when the See MPE and MPL. Albuquerque Operations Office of the AEC (DOE). alpha emitter. alpha particle. A radionuclide that undergoes transformation by alpha-particle emission. A charged particle emitted spontaneously from the nuclei of some radioactive elements. is identical with a helium nucteus, having a mass of 4 units and an electric charge of 2 positive units. See also radioactivity. alpha rays. A stream of alpha particles. AMN. Airman; enlisted Air Force personnel. AMS. Army Map Service, Washington, 0.C. AN/POR-39. It Loosely, a synonym for alpha particles. An ion-chamber-type survey meter; this was the standard radsafe meter. Others in use included the Navy version, the AN/POR-T18, the AN/PDR-18A and -188, and lower range Geiger-Mueller instruments (AN/PDR-27, Beckman MX-5, and Nuclear Corporation 2610). AQ. Oiler (Navy). 471