MIL-PRF-89201B (NOTICE 1), PERFORMANCE SPECIFICATION: HARBOR, APPROACH, COASTAL, AND GENERAL NAUTICAL CHARTS (31 MAR 2004)., The purpose of this notice is to inform users of the change in name of the preparing activity from the National Imagery and Mapping Agency (NIMA) to the National Geospatial-Intelligence Agency (NGA), effective 24 October 2003.