Arthur Wellesley, 1st Duke of Wellington.
Commander Morgan
General Sir David Richards is the Chief Executive Commander of the British Army
Commander Morgan
Joab was commander of David's army for most of his reign.
Grant was the commander of the Army of the Tennessee, before being appointed General Commander of the Western Front.
If I understand you correctly... he was Commander-In-Chief of the Continental Army.
Washington
The name of Sarsfield Barracks under the British Army was 'New Barracks'
General Winfield Scott
The British Commander of Gold Beach was Lt. Gen. G C Bucknall, C.O. of XXX Corps.
Robert E. Lee was the commander of the Army of Northern Virgina before and after the battle of Chancellorsville
The leader of the JGSDF is Yoshifumi Hibako.