NASA Mars mission gets an assist from Delta-grown engineer

Originally from Bethel, Christopher Liu is the engineer behind the Muktuk Plot — a strategy that will help NASA pilot its next orbiter mission to Mars. (Photo courtesy of Christopher Liu)
Thousands of miles to the south of us, engineers at NASA are hard at work on the NeMO Mission, the next orbiter mission to Mars.
They got a little help this summer from an engineering intern from Bethel, and something called the Muktuk Plot.
Growing up in Bethel, Christopher Liu said that he was a quiet k