"A more recent entry into the market from Natick's research and development is the McDonald's McRib sandwich, based on the combat feeding program's 'restructured beef and pork....'
"In 2001, an expedition team carried Hoo-Ah bars and Ergo drink up Mount Everest."
http://www.boston.com/dailyglobe2/070/science/Eating_well_under_the_gun+.shtml