Lieut. Paul Baer Newest U.S. 'Ace;' Downed 7 Planes -- April 23, 2018

Washington Times, 26-April-1918

100 years ago today, on 23-April-1918, Paul Baer became the first person to become an ace while flying for the US military.  After the war he continued in aviation.  He died in an accident on 09-December-1930.

Raoul Lufbery was born in France, but his father was American. He had 16 confirmed victories while flying for the French and one more for the Americans. He died in battle on 19-May-1918.