soldierly conduct

He served in the Northern Campaign under his father-in-law, General Taylor, and was greatly distinguished for gallantry and soldierly conduct at Monterey and particularly at Buena Vista, where he was severely wounded early in the engagement, but continued in command of his regiment until victory crowned the American arms.

A Russian girl named Alexandra Lagereva was awarded a commission early in the year for fine soldierly conduct in the field.

And if you get a chance, recommend him for his soldierly conduct.

The 75 were mentioned in despatches for "a high sense of duty and a soldierly conduct worthy of emulation by others."

In this new scene of experience, the two friends distinguished themselves as much by their bravery as they had before by their exemplary and soldierly conduct.