Origin of first-line
Examples from the Web for first-line
Eagerly, expectantly, the boys gathered in the first-line trenches to watch the fun.Prairie Gold|Various
Further north the enemy's first-line system for a distance of about half a mile beyond Beaumont Hamel was also in our hands.World's War Events, Vol. II|Various
In the first-line trenches they could see no one and felt uncertain what to do.The Birth of Yugoslavia, Volume 1|Henry Baerlein
This was only the first-line strength of the Germans, the reserves being massed in the rear.America's War for Humanity|Thomas Herbert Russell
Under pressure of this success the Russians abandoned their first-line positions in the Meste-Canaste sector.