"Direct assault" refers to a forceful and immediate attack or confrontation aimed at achieving a specific objective or overpowering someone or something. Full definition
We also hear more talk about vouchers and tax credits for private schools, which are direct assault on public schools. (educationworld.com)
SMR - 160's nuclear commodities lie deep below the ground; making them inaccessible to direct assault by drones or missiles (underground portion of the plant shown in the cutaway view below). (smrllc.com)
Even so, even with Robert Richardson's (Hugo) lush, marvelously refined Ultra Panavision 70 widescreen cinematography, even with picturesque images of a wintry Wyoming countryside (actually Telluride, Colorado, but who's complaining) under direct assault from Mother Nature, this story is all about how the characters interact coupled with Tarantino's signature sing - song foul - mouthed dialogue. (moviefreak.com)