Flight Control Systems

Fluorescence correlation spectroscopy

Federation of Conservative Students

Forest Stewardship Council is a non-profit organization providing certification of sustainable and environmentally neutral logging and forest management

Final Cut Studio

Fox College Sports

Future Combat Systems

Fetal Calf Serum

Fellow of the Chemical Society

Friends Committee on Scouting

Frame Check Sequence

Football Championship Subdivision, formerly known as Division I-AA, an American football classification in the NCAA in the United States for college football