He reportedly explained that he had secured "a detailed timeline for the withdrawal" following direct discussions with Israeli officials.
"The IDF continues to operate in accordance with the ceasefire understandings between Israel and Lebanon," the military stressed in their statement.
Troops also located a weapons storage facility in which were military equipment, dozens of shoulder-launched missiles and explosive charges.
Sanders won another term in the Senate last November but, for multiple reasons, is ineligible to lead Lebanon.
Joseph Aoun's promise to assert state control over weapons could mark a turning point, but his ability to stand up to Hezbollah will determine Lebanon's path forward.
IDF announces new attacks on Syrian military capabilities • Attack is first since US mixed decision regarding new regime
"We're making some real progress, I met with negotiators today," Biden told reporters at the White House.
As the ceasefire deadline looms, Israel's strikes on Hezbollah and hints at extended presence raise questions about commitment to the withdrawal agreement.
Shortly after the Sa'ar's welcome statement, it was reported that National Security Advisor Tzachi Hanegbi had told Israeli ministers not to address the appointment.
The Islamic Republic was reportedly planning on transferring sums to Hezbollah via an Air Mahan flight from Tehran to the Lebanese capital.