3D	Three Dimensional
CFD	Computational Fluid Dynamics
GNC	Guidance Navigation and Control
GPS	Global Positioning System
HDF	Hierarchical Data Format
NTRIP	Networked Transport of RTCM via Internet Protocol
PWM	Pulse Width Modulation
RTK	Real Time Kinematic
USV	Unmanned Surface Vehicle
UUV	Unmanned Underwater Vehicle
UGV	Unmanned Ground Vehicle