What happens if the captain considers it his duty to act upon his own initiative?

Scholarships and financial support were also provided and smaller research units arose upon its initiative as well.

Nor could it alter the constitution, save upon the emperor's initiative.

This was a major development in the life of the Order, and was taken upon his initiative.

Nor could I simply enter the house upon my own initiative.

He acted upon his own initiative, after the Fayle spoke to him.

He sought upon his own initiative to soften the captive's stance.

He must rely upon his own initiative.

Staff discovering the fire informed their floor manager upon their own initiative.

Vasilevsky in turn, took it upon his own initiative and gave Bagramyan the go ahead.