Blowing off steam Image 1 of 3
Blowing off steam Image 1 of 3- A C-17 Globemaster III assigned to the 911th Airlift Wing runs its engines before take-off at the Pittsburgh International Airport Air Reserve Station, Pennsylvania, Jan. 4, 2024. Upon startup, C-17 engines may emit steam caused by the accumulation of residual water in the engine. (U.S. Air Force photo by James Fritz)
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