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U.S. Air Force Lt. Col. Brandon Tellez, the Antarctic mission commander and 62nd Operations Group deputy commander, briefs crew members for the upcoming Operation Deep Freeze 2021-2022 main season, Sept. 15, 2021 at Joint Base Lewis-McChord, Washington. The ODF main season runs annually, from August through July. This timeframe allows research teams and partnered entities the safest and most efficient method of accomplishing their joint goals. (U.S. Air Force photo by Mr. Edzel L. Butac)
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