defending herself. Heck, it would probably add to the security of the world if an country that was attacked was permitted to annex land up to and including the area from which it was attacked. At least, for peoples who couldn't care less about humane life, there would be some sort of deterrence.
CNN Turk: Turkish planes hit PKK targets in southeastern Turkey, northern Iraq (Reuters)
from the article: Israel warplanes strike Hamas targets following Gaza rocket fire