It was not immediately clear if there were any casualties in crash at base north of Los Angeles, California.
The sentence is the latest in a series of European cases against Syrians since Bashar al-Assad was overthrown in 2024.
A Russian Tu-22M3 strategic bomber crashed in Siberia’s Irkutsk region during a training flight.
Newsom says he and wife targeted because he is considering running for president in 2028; DOJ has not confirmed probe.