And the men and women of the American military, they have taken the hardest duty.

And it was not exactly hard duty.

It is a hard duty to lay on such men.

All stained and scarred from their long, hard duties.

"I know, that can be the hardest duty of all."

Kindest, best of men, help me to do my hard duty toward you!

When there's hard duty to be done with danger in it, he steps for'ard afore all his mates.

That would have been playing on her blood relationship, asking special favors, admitting that she, a woman, couldn't handle hard duty like the men.

These could, of course, have been normal enough modifications during an ED-4's many years of hard duty all over a galaxy.

He has always been called on when hard duty was expected, and never flinched.