Vapor Trails was created in -2001-11.
Contrails are clouds that appear behind aircrafts. Contrails are long, thin, man-made clouds that are essentially vapor trails. These vapor trails are created by a change in water vapor or changes in air pressure.
Planes that fly at high altitudes, typically commercial jets, leave vapor trails, also known as contrails. These trails are composed of water vapor, created when hot exhaust gases combine with cold, humid air in the atmosphere.
Blood Trails was created in 2007.
Suburban Trails was created in 1941.
Tangled Trails was created in 1921.
On Jungle Trails was created in 1936.
Indian Trails was created in 1910.
Fading Trails was created in 2005.
Coyote Trails was created in 1935.
Wisconsin Trails was created in 1960.
No. If you live in the US, most of the vapor trails you see on any given day are the products of civilian jetliners, not military aircraft.
Vanishing Trails was created in 1920-09.