DRAC means SOI Solar Oscillations Investigation/ MDI Michelson Doppler Imager Data Reduction and Analysis Center in NASA
Similar to DRAC
ACCS - Advanced Checkout and Control SystemACE - Advanced Composition Explorer
ACE - Apollo Checkout Equipment
ACES - Acoustic Containerless Experiment System
ACF - Auto- Correlation Function
ACFS - Advanced Concepts Flight Simulator
ACFY - After the Current Fiscal Year
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