NASA Abbreviations and Acronyms

  1. IFDL
    Interfacility Data Link
  2. IFF
    Identification, Friend or Foe – Individually Fresh Frozen – International Flavors and Fragrances
  3. IFM
    In-Flightmaintenance
  4. IFO
    Information Systems Office
  5. IFOT
    In-Flight Operations and Training
  6. IFOV
    Instantaneous Field of View
  7. IFR
    Infrared
  8. IFR
    Instrument Flight Rules
  9. IFRU
    In-Flight Replacement Unit
  10. IFRU
    In-Flight Replaceable Unit
  11. IFTD
    Interface Terminal Distributor
  12. IFTE
    Intermediate Forward Test Equipment
  13. IFTM
    In-Flight Test Maintenance
  14. IFTM
    In-Flight Test and Maintenance
  15. IFTS
    In-Flight Test System
  16. IFU
    Interface Unit
  17. IFU
    Interfaceunit
  18. IFWG
    Interface Working Group
  19. IG
    Inspector General
  20. IG
    Igloo

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