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In the Gaza Strip fighting, where a cease-fire was reached Wednesday, the Israeli military pounded Gaza with hundreds of airstrikes. Hamas, the militant Palestinian group that rules Gaza, launched hundreds of rocket attacks on Israel.
The weeklong battle temporarily diverted attention from Iran, the archenemy of Israel and a key ally of Hamas. Israeli leaders have threatened to strike Iran over its nuclear program.
Yet the Gaza fight may offer insights into what a possible confrontation between Israel and Iran would look like.
The scenarios of war between Israel and Iran all suppose that Iran would retaliate against Israel if it's attacked. And one way to do that would be via Hamas, its strategic partner on Israel's border.
Iran is believed to have given Hamas the weapon it needed to hit deep inside Israel: a long-range Fajr-5 rocket. Several rockets were fired at Tel Aviv and Jerusalem over the past week, and Reva Bhalla from the intelligence firm Stratfor says it's Iran that made it possible
"Iran is the one that facilitated these weapons transfers into Gaza," she says. "They would arrive in parts and then they would train operatives in Hamas and Islamic Jihad in how to assemble them."
It's been 20 years since Iraqi dictator Saddam Hussein launched Scud missiles against Israel. No adversary since then had fired on Tel Aviv, Israel's financial hub. But Hamas has now shown that it can do the same, delivering a powerful symbolic message to Israel.
Long-Range Rockets Vs. Iron Dome
But that's just part of the story. The Israelis have a new anti-missile defense called Iron Dome. And they've been able to intercept and shoot down many incoming rockets. U.S. and Israeli defense analysts say this conflict has been a key test of the Iron Dome system, and they've pronounced it generally a success.
Michael Rubin, a Middle East analyst at the American Enterprise Institute, says the outcome of this rocket contest may have provided insight into a future Israeli-Iranian conflict.
"What many are going to be looking at, not only in Gaza City, but also in Tel Aviv and in Tehran, is the balance between these new, long-range rockets and Israel's ability to shoot them down," he says.
Israeli officials are claiming they've shot down as many as 90 percent of incoming Hamas rockets that they targeted, though Rubin suspects the figure is less, in the range of 50 percent to 75 percent. In any case, some of those long-range rockets did get through.
"Which means, in Tehran, there are probably some Revolutionary Guardsmen looking at this and thinking, 'OK, this is all well and good, we know how well the Iron Dome works now, so if we want to hit Israel five times, all we have to do is launch 10 rockets at it,' " Rubin says.
The Israelis, on the other hand, can not only look at their anti-rocket defense; they can boast as well about how their air force was able to degrade the Hamas rocket arsenal on the ground.
A major part of the Israeli preparation for a war with Iran would be to convince the Israeli people that they will be protected. Bhalla of Stratfor says it makes sense for the Israeli government to trumpet its success against the Hamas rockets.
"Especially when it wants to calm its domestic audience, it needs to show that it's not going to continue to place these population centers under threat and that it's doing something about it," Bhalla says. "But there's the million-dollar question of how reliable is Israeli intelligence at this phase."
Among the unanswered questions: How many of those rockets does Hamas still have? And will Iran be able to supply Hamas with more rockets, to replace those that have been fired or destroyed by Israel?
Israeli calculations about how much of a threat these long-range rockets pose will be important in determining the country's readiness to go to war with Iran. And defense officials in Tehran are very likely assessing their ability to make Israel pay.