NASA's Advanced Food Technology Project manager Michele Perchonok (right) and Lockeed Martin Sr. Research Scientist Maya Cooper, try a pizza recipe being tested in a kitchen at Johnson Space Center in Houston.| AP Photo/Michael Stravato
Lockeed Martin research scientist Maya Cooper (left) and Monica Leong prepare a vegan pizza at NASA's Advanced Food Technology Project at the Johnson Space Center Tuesday, July 3, 2012.| AP Photo/Michael Stravato
Lockeed Martin senior research scientist Maya Cooper shows a vegan pizza developed at NASA's Advanced Food Technology Project. NASA is planning a mission to Mars, which has gravity, allowing more options for food preparation. | AP Photo/Michael Stravato
Current dehydrated food for near Earth missions, which was developed for zero gravity preparation at NASA's Advanced Food Technology Project at Johnson Space Center, is shown at the center. | AP Photo/Michael Stravato
Monica Leong, a Lockheed Martin associate research scientist, bakes a vegan pizza from a recipe developed for a mission to Mars. | AP Photo/Michael Stravato
Lockeed Martin senior research scientist Maya Cooper chops vegetables, which would be feasable for astronauts in Mars' gravity, for a vegan pizza developed at NASA's Advanced Food Technology Project. | AP Photo/Michael Stravato
Lockheed Martin associate research scientist Monica Leong prepares and bakes a vegan pizza from a recipe developed for a mission to Mars. | AP Photo/Michael Stravato
Through a labyrinth of hallways deep inside a 1960s-era building that has housed research that dates back to the early years of U.S. space travel, a group of scientists in white coats is stirring, mixing, measuring, brushing and, most important, tasting the end result of …
