From Nextgov.com: Air Force uses jets for long-range communications on battlefields

New system will provide almost round-the-clock radio communications over a battlefield from an altitude of 40,000 feet.

It's a truism of radio communication that the higher the antenna, the longer the range. The Air Force is deploying a system that in essence erects a radio antenna 40,000 feet above a combat zone to boost battlefield communications.

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