Planes Of WW1 The Fokker Dr.I triplane was flown by the Red Baron. True False None Airplanes were first introduced in combat during World War I. True False None The Sopwith Camel was a German fighter plane used on the Eastern Front. True False None Dogfights in WWI were often fought at extremely high altitudes—over 30,000 feet. True False None Some WWI planes were made from wood and fabric. True False None Time's up Most Popular