[1] Frame Check Sequence - Blockprüfsumme

[2] Fiber Channel Standard

[3] File Control System - u.a. zur Virenabwehr einsetzbares System

[4] Fast Circuit Switching

[5] Fecal Containment System (->"NASA Acronym List")

[6] Federal Communications System (->"NASA Acronym List")

[7] Flight Control System (->"NASA Acronym List")

[8] Flight Crew System (->"NASA Acronym List")