IMU and 3D Tilt Sensors Inertial Measurement Units GPS-Aided INS Inertial Navigation Systems AHRS Attitude & Heading Reference System LiDAR RESEPI Remote Sensing Payload Instrument TAG Two and Three Axis Gyroscopes TAA Three Axis Accelerometers WOM Weapon Orientation Modules RMCU Railway Motion Control Unit MRU & WS Motion Reference Units and Wave Sensors