Of course its Moral. Israel and IDF will do everything to protect Israel. What you don't get is that Hamas, Hezbollah, Iran, represent the worst of human kind, they teach hatred, antisemitism, culture of death and so on... Between THAT and a Democratic, peacefull loving people Israel, I choose Israel ALWAYS.
U.S. says it killed 10 AQAP Islamist militants in four air strikes in Yemen since April 23 (Reuters)
from the article: IAF air strike in south Gaza kills Hamas militant, wounds three