The Swedish man, who was not named, was detected as a fraud last year.
North Atlantic Treaty Organization - NATO
Trump didn’t detail what further involvement he wants from the 29-member alliance.
The State Department approved the potential deal in 2017 saying it advanced U.S. objectives in Europe.
Defense Secretary Mark Esper wants to boost the number of foreign nationals training alongside U.S. troops by 50%.
The Pentagon again called on Turkey to "get rid of" the S-400 air defense system bought from Russia.
NATO's commander declined to say whether the missiles had made it to Ukraine's front lines yet.
Lawmakers will not allow the F-35As once destined for Turkey to be transferred unless that country gets rid of its S-400s.
NATO and Boeing agreed Wednesday on a $1 billion contract to refurbish the military alliance’s aging fleet of AWACs.
The promise came at the at the end of a meeting of NATO defense ministers.
Esper said he was looking for "serious and credible commitments" from allies to deter Iran.