Churchill stated in a similar situation that sometimes one must act regardless of failure risk or chance of sucess.
‘Forward, the Light Brigade!’
Was there a man dismay’d?
Not tho’ the soldiers knew
Some one had blunder’d:
Theirs not to make reply,
Theirs not to reason why,
Theirs but to do and die:
Into the valley of Death
Rode the six hundred.
Send in a strike to clear out local defenses, and hand deliver a portable nuke by sapper team. To paraphrase JFK: No obstacle can stand in the way of a determined man willing to trade his life for his beliefs.