National Smokejumper Association
The National Smokejumper Association (NSA) is a non-profit (501(c)(3)), American organization based in Missoula, Montana, that preserves the history of aerial fire management, or smokejumping, through interviews, rosters, photographs, films, letters, reports and publications. It is also a meeting area for people involved with wildland firefighting and helps in the preservation of national forests and grasslands.
Source: Wikipedia — National Smokejumper Association (CC BY-SA 4.0)