Seven killed, several wounded, in latest airstrikes

The video announces the successful completion of a task.

What do you think the phrase 'He's done it' implies about the subject?

In what context do you think this statement could be used?

What emotions or reactions might this statement evoke in others?

How might the meaning of 'He's done it' change based on the tone of voice used?

Can you think of a situation where this statement could be considered significant?