The time between the first powered heavier-than-air flight of the Wright Flyer to the launch of these airships that can launch and recover planes was 27 years,

The time between the first powered heavier-than-air flight of the Wright Flyer to the launch of these airships that can launch and recover planes was 27 years, 7 months, and 22 days. The rate of technological change in the early part of the 20th century was incredible.