The Introducer: Insert an Introducer comma where it belongs in the following sentence.
example:
Clearly, the concept of military culture encompasses the essence of military ethos and professionalism.
12.
While the tactical common intent established during the mission preparation and briefing phases is essential the true test occurs once the aircrew is airborne.
12.
While the tactical common intent established during the mission preparation and briefing phases is essential, the true test occurs once the aircrew is airborne.
