"A congressional waiver" appears to be in a close relation with "out of uniform." Does the waiver mean a proof of being out of uniform long enough?
Thanks in advance
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Flynn expressed interest in becoming Secretary of State or Secretary of Defense. Eric Trump, who was also on the team, asked Flynn if he had been out of uniform long enough to head the Pentagon. Flynn said that he could probably get a congressional waiver, but if not he’d settle for national-security adviser.
-New Yorker
Source
Thanks in advance
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Flynn expressed interest in becoming Secretary of State or Secretary of Defense. Eric Trump, who was also on the team, asked Flynn if he had been out of uniform long enough to head the Pentagon. Flynn said that he could probably get a congressional waiver, but if not he’d settle for national-security adviser.
-New Yorker
Source