The phrase "advance corps" is correct and usable in written English.
It can be used in military or organizational contexts to refer to a group that is sent ahead to prepare for the main body or to gather information.
Example: "The advance corps was deployed to scout the area before the main forces arrived."
Alternatives: "forward unit" or "vanguard group".
Despite being joined by the sole survivors of Colborne's brigade (the 31st Foot), just 1,900 men stood in line to face the advancing corps.
In a letter to Congress, Washington justified the defeat by saying, "This Morning the Enemy came out with considerable force and three pieces of Artillery, against our Light advanced Corps, and after some pretty smart skirmishing obliged them to retreat, being far inferior in number and without Cannon".
The 1st Canadian Division was responsible for the broad southern sector of the corps advance and expected to make the greatest advance in terms of distance.
Promoted to major general, Mattis led the 1st Marine Division during the early stages of the Iraq War, overseeing the longest sustained overland advance in Marine Corps history.
Chinese forces had established machine gun nests in the hillside and mined roads to slow the corps' advance.
The Desert Mounted Corps advance, "without the presence of a single tank was to bear a closer relationship to the Blitzkrieg than either Amiens or Cambrai".
The corps advance began on 15 August when the 49th Division captured Vimont, followed on the next day by the capture of Saint-Pierre-sur-Dives by the 51st Division.
Desert Mounted Corps 5th Cavalry Divisionn which was to lead the corps advance, was concentrated north-west of Sarona, 8 mile from the front, with the 4th Cavalry Division waiting in orange groves east of Sarona, 10 mile from the front.
By 17 September, the 5th Cavalry Division, which would lead the Desert Mounted Corps' advance, was deployed north-west of Sarona 8 mile from the front line, with the 4th Cavalry Division in orange groves east of Sarona, 10 mile from the front, and the Australian Mounted Division in reserve near Ramleh and Ludd 17 mile from the front line.
Gen. George H. Thomas's corps advanced along the Manchester Pike toward Hoover's Gap.
