The phrase "a vast program of" is correct and usable in written English.
It can be used when referring to a large-scale initiative, project, or plan that encompasses various activities or components.
Example: "The government has launched a vast program of infrastructure development to improve transportation across the country."
Alternatives: "a large-scale initiative for" or "an extensive plan for".
The committee advocated a vast program of "retrofitting" to make buildings less apt to crumble.
The king embarked on a vast program of modernization, encouraging initiatives in the economic, financial, and military spheres.
The government undertook a vast program of reconstructing the devastated areas and had largely completed that task by 1925.
For Matt Mullican it serves as an investigatory, note-taking tool in a vast program of semiotic research.
(Johnson) Galleries: SoHo MATT MULLICAN: 'A DRAWING TRANSLATES THE WAY OF THINKING' Drawing for Mr. Mullican is a note-taking tool in a vast program of semiotic research.
Financed by income from oil royalties, Pérez Jiménez began a vast program of public works, including the construction of highways, hotels, office buildings, factories, and dams.
"It's such a vast program, and many of the facilities are close to civilian areas," he said.
A major component of this build up was a vast construction program of arsenals, depots, airbases and coastal defenses.
Less an original metaphysician or cosmologist than the advocate of a vast new program for the advancement of learning and the reformation of scientific method, Bacon conceived of philosophy as a new technique of reasoning that would reestablish natural science on a firm foundation.
Harmonizing its network to make a single customer offering is not the only challenge for AT&T: Adding all this new technology has meant a vast retraining program for one of the world's largest employers.
The company is in the midst of a vast automation program that promises to winnow the work of warehouse hands and may end up eliminating their jobs.
