True, and stunning.
But there's more to it than even that. With war, your direct aim is not killing, and certainly you're not targetting the innocent.
That first claim may seem counterintuitive, but it's true: you're not directly intending to kill enemy combatants, but to stop them. This can be proven by the fact that after a battle, enemy combatants who have been stopped (but not killed) are given medical care, hospitalized, and held under humane conditions as prisoners, thus proving that the cental intention of warfare is not to kill --- not even to kill aggressors--- but to stop them.
However, abortion is the directly intended killing of the innocent. And not just "innocent" --- it's your own child.
That's why it's always, intrinsically and grievously wrong; whereas a justly-waged war can be honorable, and truly in the service of justice and peace.
Very true.
An Army that simply focuses on killing enemy combatants will not necessarily win. In WWI Germany had a far higher kill rate than any other nation and a much lower cost per enemy soldier killed, but it still lost the war.