Fact 1: Astronauts require preserved food for extended flights.

Fact 2: Custom foods and meals can be created.

Given the two facts above, answer the question "What do astronauts need for extended flights?" with the following options: 
- hydrogen and oxygen
 - preserved meals
 - solid, liquid, gas
 - small meals
 - fresh meals
 - Dehydration
 - nutrients
 - surprise meals


 

  preserved meals       