The phrase "formidable capability" is grammatically correct and can be used in written English.
It is a noun phrase that refers to a quality or ability that is impressive and difficult to overcome. Example: The army's formidable capability in combat proved to be a decisive factor in winning the war. In this sentence, "formidable capability" is used to describe the army's impressive and formidable abilities in combat, emphasizing their strength and effectiveness.
She says the police have "a formidable capability".
That's a formidable capability that the Obama administration largely withheld from police officers to avoid blurring the lines between policing and immigration enforcement.
The combined operational and engineering expertise vested in Sasol represents a formidable capability in the field of coal and gasification science.
But in 2008, ISRO translated its formidable capability to build and launch satellites toward exploration and send a probe to the Moon, Chandrayaan-1.
In the digital space, Deloitte built out formidable capability, ranging from some of the leading talent in digital transformation to offshore talent factories to support that.
Married to competent SAM systems and radar-guided guns, it seems to represent a formidable capability.
In its heyday, NATO possessed formidable capabilities and real (if never fully tested) cohesion.
For this exact reason it has been argued that even with its formidable capabilities, the Israeli Defense Force does not possess the capacity to successfully achieve this objective on its own.
At the same time Yahoo!, which was born as a Web portal, is constantly adding to its arsenal of services and, among many other things, has built a formidable search capability.
This formidable NATO capability threatens to deny him from achieving his military objectives and providing real, costly, and punishing retaliation in the event that he escalates the conflict and chooses the cross the nuclear threshold.
"Just as we fashioned a formidable nuclear capability that served us through the Cold War and beyond, I am confident in our ability to keep pace with adversaries," he said.
