1.0 milliseconds -- cycle time for frequency 1 kHz
1 ms -- duration of light for typical photo flash strobe
2.27 ms -- cycle time for the A above middle C in music (440 Hz). If an electric tuning device for musical instruments generates just one tone, this is probably that tone.
... of the Typhoon to the RAF have begun.
The first unit to form will be an Operational Conversion Unit[?] at RAF Conigsby[?] in 2004.
The Typhoon's combat ...