A Russian businessman arrested in the Northern Marianas at the end of last year is scheduled to be tried in Miami on 1 April.
Dmitrii Makarenko was charged in Florida in 2017 with conspiring and attempting to export defence articles without a license.
According to the Russian Legal Information Agency, the defence unsuccessfully challenged his extended detention.
His lawyers said the night vision gear acquired with a Florida-based man Vladimir Nevidomy was intended for personal use.
Despite an arrest warrant, Mr Makarenko reportedly travelled with his family from Vladivostok to Saipan for the New Year's holiday for the last three years.