launch (something) against (someone or something)
To instigate or initiate some action or plan of attack against another person, group, or thing. We are prepared to launch a counterattack against them that would wipe them off the face of the earth, should we be so provoked. We're launching an information campaign against our primary competitor in the market.
launch something against someone or something
to set something going against someone or something. The general launched an attack against the town. Claire launched a gossip attack against James.