Israeli Foreign Minister Eli Cohen posted a photo of a giant billboard in Israel on the social network X (Twitter).
Under the photo, he also wrote "Thank you, Mr. President".
The United States is increasing military assistance to Israel: the first plane with American weapons arrived in the south of the country the night before.
The Israeli army said that "modern ammunition" was delivered to the Nevatim air base, which is "designed to deliver powerful strikes and prepare for additional scenarios."
The US is also deploying an aircraft carrier group to the eastern Mediterranean, which may soon be joined by another.
Background. The day before, Biden gave a speech on the situation in Israel. "Let no one be in any doubt. The United States supports Israel. We will make sure that the Jewish and democratic state of Israel can defend itself today, tomorrow, as we have always done," Biden said.