# Establishment of Restricted Area 2507E; Chocolate Mountains, CA
> **Rule** · Final rule. · Published 2006-01-13 · Effective 2006-04-13 · 71 FR 2146
## Document
- **Document number:** 06-345
- **Category:** other
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 71 FR 2146
- **Publication date:** 2006-01-13
- **Effective date:** 2006-04-13
- **FAA docket:** Docket No. FAA-2004-19051
## Abstract

This action establishes Restricted Area 2507E (R-2507E), Chocolate Mountains, CA, as part of a U.S Marine Corps (USMC) training initiative. The USMC requested the establishment of this airspace to support its Close Air Support Mission (CAS) within the Chocolate Mountains Range. The new restricted airspace will be used to conduct realistic aircrew training and to maintain the level of proficiency in modern tactics that is required for combat readiness.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/01/13/06-345/establishment-of-restricted-area-2507e-chocolate-mountains-ca)
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