Can a cold, green, supersonic spray save the Black Hawk?

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Can a cold, green, supersonic spray save the Black Hawk?

Can a cold, green, supersonic spray save the Black Hawk?
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Can a cold, green, supersonic spray save the Black Hawk?

by FOX News Videos 5:06 mins

Allison Barrie on how a new invention could prevent costly wear and tear on Army Black Hawk helicopters.

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