The phrase "war footing" means being in a state of readiness and preparation for a war or conflict. It implies taking actions as if a war has already started or is imminent. Full definition
In modern times more than desires it's the necessary priorities which have to completed on war footing basis. (policyx.com)
President Trump's growing desire for his lawyers to more forcefully counter the ongoing special counsel investigation drove yet another shake - up of his legal team on Wednesday, putting the White House on war footing with federal prosecutors examining Russian interference in the 2016 campaign. (morningconsult.com)
But Cuomo had been on war footing over the provision, warning of the grave budgetary implications for the state: Some $ 7 billion in costs that would have hit in 2020. (nystateofpolitics.com)