Elite National Park Service Helicopter Unit Marks Forty Years Of Service

News of a dramatic rescue via helicopter in a national park often involves locations like Yosemite or Grand Teton National Parks, but there's also an elite National Park Service helicopter rescue team based in the East. This year marks 40 years of service by the United States Park Police (USPP) Aviation Unit, and the group has been involved in some unusual and high-profile incidents
- By Jim Burnett - September 22nd, 2013 3:11am