The phrase "as overall commander" is correct and usable in written English.
It can be used when referring to someone who holds the highest authority or leadership position in a specific context, such as military operations or organizational leadership.
Example: "The general was appointed as overall commander of the joint task force, overseeing all operations and strategies."
Alternatives: "in the role of chief commander" or "as the supreme leader".
In 2008, Odierno succeeded General David Petraeus as overall commander of forces in Iraq.
It is hard to know from the firing of General David McKiernan as overall commander there and the appointment of Lt. General Stanley McChrystal.
As overall commander of the Pakistani Taliban, Mr. Mehsud held sway over Orakzai, wielding as much power there as in his native South Waziristan, or even more.
Lt. Gen. Ricardo S. Sanchez will remain as overall commander of allied forces in Iraq, focusing on strategic and political issues, as day-to-day tactical operations are put under the command of Lt. Gen. Thomas F. Metz, General Myers said.
An Israeli inquiry found that although the 1982 massacre, in which hundreds died, was carried out by Lebanese militiamen, Mr. Sharon bore indirect responsibility for the killings because, as overall commander of the Israeli invasion, his troops controlled the area of Beirut around the camps.
Hughes named him as overall commander of the IRA's Belfast brigade.
While serving on the Western Front, Godley continued to fulfill his role as the overall commander of the NZEF in addition to his corps command.
Gen. Aboud Gambar, an Iraqi general who was taken prisoner of war by American forces during the 1991 Persian Gulf war, as the overall commander of his troops.
Gen. David H. Petraeus took control as the overall commander in Afghanistan over the weekend after his predecessor, Gen. Stanley A. McChrystal, was dismissed by Mr. Obama.
For many of his Arab hosts, General Powell was already a familiar and admired figure from his days as the overall commander of American forces during the Persian Gulf war.
As the overall commander of Rhodesian forces from 1977 onward, General Walls oversaw an ultimately doomed campaign to halt a shifting bush war conducted by guerrillas loyal to Joshua Nkomo, a nationalist patriarch, and Robert Mugabe, who went on to become the increasingly autocratic president of Zimbabwe after the country achieved independence in 1980.
