In images shared by the NTSB, the crumpled metal that was once a working military helicopter can be seen being lifted from the water by a crane floating atop a barge in the Potomac River.{ai:summary}<p>It appears there is no content provided to summarize. Please provide the text or topic you would like summarized.</p>

Mangled remains of downed Black Hawk helicopter pulled from the Potomac River after devastating DC crash: NTSB

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