I remember back in the late 1980′s, a friend of mine became a smoke jumper after getting out of the service.
SEQUOIA NATIONAL PARK, Calif. — On the hillside above Evelyn Lake, deep in the southern Sierra Nevada, it was surprisingly easy to tell time: precisely at noon, a loud whoop echoed amid the black-flecked granite and dust, signaling lunch hour for the 17-person crew repairing the trail to the lake.
– The New York Times