[nine_k]

> first airplane to jet engines in 27 years.

Nitpick: more like 36 years, from Wright Flyer in 1903 to Heinkel 178 in 1939. Still quite impressive.

[dghlsakjg]

nittier pick: They said engine, not airplane: the first jet engine ran in 1907 (pulse jet). The first Turbojet engine ran in 1937.