Is there an explanation as to exactly what provision he violated by providing the training? I am not familiar with military training being an arms export (not saying that legally it is not; only saying I am unfamiliar with the concept).
“Duggan faces four charges, including conspiracy to defraud the United States by conspiracy to unlawfully export defence services to China, conspiracy to launder money, and two counts of violating the arms export control act and international traffic in arms regulations.”