The phrase "advancing army" is correct and usable in written English.
It can be used to describe a military force that is moving forward, typically in a context related to warfare or military strategy.
Example: "The advancing army quickly gained ground, pushing back the enemy forces."
Alternatives: "marching troops" or "moving battalion".
And he is surrounding himself with unquestioningly loyal aides, as if building a defensive wall against some advancing army.
I think it was Geremie Barmé, an Australian sinologist, who reported one encounter with the advancing army.
Hoche then turned southeast, unhindered by the Prussians, to join the slowly advancing Army of the Rhine.
ON JUNE 24th 1314 Robert the Bruce sat atop a hill near Stirling and plotted the defeat of Edward II's advancing army, twice as large as his own.
"We're the great advancing army," she said last week when the floor bustled with 25 women and their newborns, plus eight more patients in various stages of labor.
Bird migration routes predate all human beings, not only Homer: cranes flew over the Trojan plain long before he compared their calls to those of an advancing army.
In wars gone by, advancing armies smoothed their path with missiles.
The German high command lost touch with the advancing armies of the right wing, and the movements of that wing's constituent units became disjointed.
The hoard comprises 30,000 to 50,000 coins and is thought to have been buried to protect it from the advancing armies of Julius Caesar.
It is not, however, always a bad thing – some historians have credited the season with stopping advancing armies from Napoleon to the Nazis.
Alliance officials said the advancing armies captured several villages, the civilian airport south of the city and a power plant on Friday before finally moving into the city.
