sentences:  (His brother, Helmut, not treated as an enemy alien because he was under age 16, obtained passage from England to the U.S. Their parents escaped from Germany to Sweden and made it from there to the U.S.)
  
  In the U.S., Sonnenfeldt finished high school, was drafted into the U.S. Army, and became a U.S. citizen.He was then sent back to Europe as a U.S. soldier.In 1945 following the Battle of the Bulge, he was in combat action.