calibration ring

fall of shot calibration (fall-of-shot calibration)

fuse calibration correction / fuze calibration correction

base junction; rotary collector ring (box); rotary base junction (of a tank); rotary connection; slip ring; traverse rotary base junction

life ring (ring buoy)

fuze calibration correction

calibration and checking system

ground calibration

instrument calibration

absolute calibration

calibration circle

calibration pip

calibration adjustment (fire)

calibration error

calibration scale

calibration test

calibration

radar calibration squadron

calibration adjustment [fire]

calibration fire

calibration firing

calibration point

comparative calibration 

firing calibration

fuse calibration correction

range calibration

calibration correction

vertical calibration correction

Accelerometer calibration finished

Accelerometer calibration is still ongoing

Accelerometer calibration started

Accelerometer inflight calibration completed confirmation

Accelerometer inflight calibration failed