Anti-contrail Measures
Military aircraft take precautions to avoid contrails which greatly enhance visual detection ranges, including choice of altitude.
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Famous quotes containing the word measures:
“This Government has found occasion to express, in a friendly spirit, but with much earnestness, to the Government of the Czar, its serious concern because of the harsh measures now being enforced against the Hebrews in Russia.”
—Benjamin Harrison (1833–1901)
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