This photo, taken by the US Air Force, shows an FBI SWAT team conducting a hijacking exercise at Keesler Air Force Base.
What is the lead element doing?

Вариант ответа 1 - a) shouting orders
Вариант ответа 2 - b) ducking for cover
Вариант ответа 3 - c) aiming his gun
Вариант ответа 4 - d) detonating a bomb