Saw this on the Defense News this morning!
[(Military Times) Transportation Security Administration officers at Pennsylvania’s Lehigh Valley International Airport received an unusual surprise Monday when luggage belonging to a man flying home to Florida set off an alarm as it went through checked bag security.
Link below. Turns out it is inert and legal but that argument with the TSA will not usually turn out well. Call and check first and get name, or better yet, mark it well and ship via UPS or FedEx