Iran's decision to attack Israel with missiles would have significant repercussions, both regionally and internationally.

Firstly, such an attack would likely escalate tensions in the already volatile Middle East, potentially leading to further violence and instability in the region. It could also spark retaliation from Israel, triggering a cycle of violence and potentially drawing other countries into the conflict.

That weekend strike would undoubtedly strain diplomatic relations between Iran and other countries, particularly the United States. Given the strong alliance between the US and Israel, it's unlikely that the US would sit idly by in the event of a full-blown conflict. The US would, in all probability, condemn Iran's actions and could respond with diplomatic, economic, or even military measures to support Israel and deter further aggression.

Additionally, that massive air strike on Israel could have broader implications for global security, particularly in terms of nuclear proliferation. Israel is widely believed to possess nuclear capabilities, and any attack on the country would raise concerns about an escalation and the potential use of nuclear weapons in the region.

While Iran may have its reasons for attacking Israel, such actions would undoubtedly have far-reaching and potentially devastating consequences. And given the strong ties between the US and Israel, it's unlikely the US would remain passive in the face of such aggression.

Iran, like any sovereign nation, may cite various reasons for launching an attack on another country, but whether these reasons constitute a justification would depend on one's perspective.

Iran has long been at odds with Israel, primarily due to ideological, geopolitical, and religious differences. The Iranian government's rhetoric often includes anti-Israel sentiments, and it has supported militant groups opposed to Israel's existence.

From Iran's perspective, attacking Israel might be framed as a response to perceived threats, including Israeli military actions, the occupation of Palestinian territories, and its alliance with Iran's regional rivals, particularly Saudi Arabia and the United States.

However, from an international legal standpoint, launching an unprovoked attack on another country would likely be deemed a violation of the United Nations Charter, which prohibits the use of force except in self-defense or with the authorization of the UN Security Council. Iran cited the damage done by an Israeli bombing of its consulate in Damascus.

While Iran might justify its actions based on its own interpretation of threats and grievances, the broader international community would likely not recognize such justification.

Tehran’s so-called retaliatory strikes could trigger a broader conflict involving not only Iran and Israel but also other regional powers, such as Saudi Arabia, Turkey, and various non-state actors. The potential for an escalation to a full-scale regional war cannot be underestimated, with devastating consequences for civilian populations, infrastructure, and economies across the region.

Moreover, further attacks on Israel would likely have global ramifications, particularly in terms of energy markets and terrorism. The Middle East is a critical hub for global energy production, and any disruption to oil supplies from the region could have far-reaching economic consequences worldwide.

Terrorist organizations operating in the region, such as Hezbollah and Hamas, may exploit the chaos resulting from an Iranian attack on Israel to launch their own attacks, further destabilizing the region and posing a threat to international security.

In terms of international relations, a full-blown Iran-Israel conflict would strain diplomatic ties between Iran and other countries, particularly those with close relations with Israel, such as the United States and European Union member states.

The US, in particular, has a strong and longstanding alliance with Israel, and further attacks on Israel would likely elicit a swift and forceful response from Washington. The US could employ a range of diplomatic, economic, and military measures to support Israel and deter further aggression by Iran, potentially escalating tensions between the two countries and their respective allies.

The fallout from such a conflict would be extensive, affecting not only the Middle East but also global security and international relations. And while the US would almost certainly respond to defend its ally, the precise nature of its response would depend on a range of factors, making the situation even more unpredictable and fraught with risk.