Recent developments in space technology have led to a renewed interest in the possibility of maintaining space colonies, or at least manned bases in space, in which groups of people can function during multi-year missions. Some of the design studies have in fact dared to consider the possibility of permanent settlements, or habitats, being initiated in the present century (1). Consideration of life support systems becomes imperative in planning such ventures. One of the essentials of life support is, of course, food. The present paper is devoted to the discussion of research which will be necessary in order to plan the food technology required for space habitats.