Biden ordered: The army is going to war?

The Americans claim that the attack was carried out by militants supported by Iran.
The conflict in the Middle East escalated dramatically after Hamas fighters attacked Israel on October 7 last year. People across the region are bracing for more violence, but does that mean a major war is likely?
U.S. President Joe Biden blamed the attack on the base on "radical groups supported by Iran and operating in Syria and Iraq" and vowed retaliation. However, Iran denies its involvement and claims that militant groups in the region "do not take orders from Iran".

Will there be an open conflict?

Over the past decades, we faced with the risk of open conflict between Iran and the US on many occasions, which both sides have tried to avoid. However, Biden's political opponents in America point out that there have been 160 attacks on American troops since October 7 and accuse the White House of not doing enough to rein in Iran.
"He has turned our soldiers into easy targets. The only response to these attacks must be devastating military retaliation against Iran's terrorist forces, both in Iran and throughout the Middle East," said Republican Senator Tom Cotton.
However, even Republican presidents have been reluctant to engage in direct confrontation with Iran. During his tenure, Donald Trump repeatedly threatened to attack him, but in the end, he did not go beyond economic sanctions and an attack on Baghdad, the capital of Iraq, with the aim of killing Iranian military commander Qassem Soleimani. After that, Tehran announced a big revenge, but it has not happened yet.
Hloïse Fayet, who works for the International Federation for Human Rights in Paris, thinks it unlikely that the US will attack Iran directly unless it is shown that the...