Veteran Knowledge( Heroes of Battle, p. 99)
[Fighter Bonus Feat, General]
You are capable of seeing potential battlefield advantages where others cannot.
Knowledge (history) 1 ranks, Base attack bonus +2,
You gain a +5 bonus on Knowledge checks made to gain a strategic advantage (see Strategic Advantages, page 70).
A fighter can select Veteran Knowledge as one of his fighter bonus feats (see page 38 of the Player's Handbook).