The military is scrambling to understand the aviation crash risk from a new 5G sale Valerie Insinna and Aaron Mehta December 21, 2020 (Staff Sgt. Ryan Callaghan/U.S. Air Force) WASHINGTON — As part of a broader move to boost the 5G industry in the United States, the Federal Communications Commission on Dec. 8 began auctioning a portion of C-band electromagnetic spectrum, a move the committee’s chairman, Ajit Pai, celebrated as “a big day for American consumers and U.S. leadership in 5G.” But, in the weeks leading up to the auction, more than a dozen commercial aviation groups warne...