Nineteen firefighters died fighting a blaze in Arizona. The writer Norman McLean told the story of thirteen young men who died fighting a fire on a ridge above the upper Missouri River in Montana. His classic , spare reconstruction, Young Men and Fire told the story of thirteen crosses on the ridge above the river. Richard Shindell's beautiful song Cold Missouri Waters captures the tragedy. I hope someone of equal commitment and eloquence tells the story of the Granite Mountain Hotshots, the men who died yesterday in what appears to be a similarly pointless firefight.

Radar Collision Avoidance, Part 2—Turning Plotting Into Action
-
*Article*In the last chapter Eric covered plotting, now he explains what
course changes to make to avoid collisions, as well as to reduce the stress
of get...
2 hours ago