![File:Telegram from Rear Admiral Richard E. Byrd to the Bureau of Navigation acknowledging his promotion to the rank of... - NARA - 299697.jpg - Wikimedia Commons File:Telegram from Rear Admiral Richard E. Byrd to the Bureau of Navigation acknowledging his promotion to the rank of... - NARA - 299697.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/6/6e/Telegram_from_Rear_Admiral_Richard_E._Byrd_to_the_Bureau_of_Navigation_acknowledging_his_promotion_to_the_rank_of..._-_NARA_-_299697.jpg)
File:Telegram from Rear Admiral Richard E. Byrd to the Bureau of Navigation acknowledging his promotion to the rank of... - NARA - 299697.jpg - Wikimedia Commons
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The features of the CCP's promotion system. Notes: BL = Bureau Level,... | Download Scientific Diagram
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