Revision of Restricted Area 2204; Oliktok Point, AK

This action changes the using agency of Restricted Area 2204 (R-2204), Oliktok Point, AK, from "Department of Energy, Sandia National Labs/National Nuclear Security Administration, Albuquerque, NM" to "Department of Energy, Office of Science, Washington, DC." The FAA is taking this action in response to a request from the United States (U.S.) Department of Energy to reflect an administrative change of responsibility for the restricted area. This action also revises R-2204, by subdividing the area to create R- 2204 High and R-2204 Low. The overall dimensions of R-2204 will remain the same; however, establishing of R-2204 High and R-2204 Low will enable the Department of Energy to activate only that portion of the airspace that is actually needed to contain their operations.