This is the 10987th most frequent Spanish word.
dispararán
"Dispararán" means "they will shoot."
'Dispararán' is used as a future tense verb meaning 'will shoot', referring to the action that the soldiers will perform in training.
Los soldados dispararán sus armas durante el entrenamiento.
The soldiers will shoot their weapons during training.
Here, 'dispararán' is again in future tense but employed as a conditional action dependent on a triggering event (feeling threatened).
Si se sienten amenazados, dispararán para defenderse.
If they feel threatened, they will shoot to defend themselves.
In this sentence, 'dispararán' is metaphorically used to describe the action of clicking cameras as if 'shooting', showing the versatility of the verb.