Charges of cavalry are equally useful at the beginning, the middle and the end of a battle. They should be made always, if possible, on the flanks of the infantry, especially when the latter is engaged in front.
Scots, wha hae wi' Wallace bled, Scots, wham Bruce has aften led, Welcome to your gory bed, Or to victory! Now 's the day and now 's the hour; See the front o' battle lour.
... painting a picture is like fighting a battle; and trying to paint a picture is, I suppose, like trying to fight a battle. It is, if anything, more exciting than fighting it successfully. But the principle is the same.
During the Battle of Britain the question "fighter or fighter-bomber?" had been decided once and for all: The fighter can only be used as a bomb carrier with lasting effect when sufficient air superiority has been won.