The following question refers to "Taste - The Final Frontier."

If you were researching the latest developments in food for U.S. astronauts, which question would provide the most relevant information?

What is the history of hydroponic agriculture?

What foods did U.S. astronauts eat during the last three space missions?

Do U.S. astronauts still complain about food on extended space missions?

How is food freeze-dried?