The deal would need approval from House and Senate committees and includes artillery shells and air-to-air missiles for fighter jets to defend against threats such as drones.
Tadamon became infamous after a video emerged in 2022 showing a man in military fatigues leading unarmed, blindfolded men towards a large ditch.
Timmerman went missing in June, according to his parents and was freed from prison earlier in the week after Syrian rebel groups ousted Assad.
"People are entitled to draw their own conclusions. We disagree with the conclusions of such a report," the State Department Deupty Spokesperson said.
The US State Department-backed research identified 314 Ukrainian children taken to Russia in the early months of the war in Ukraine.
US State Department acknowledges Israel's improved Gaza humanitarian measures but says time needed to verify aid is reaching those in need.
The imprisonment of Valizadeh was acknowledged to the Associated Press by the US State Department.
The Israeli air force was targeting Hezbollah command centers, as well as terrorist infrastructure in Baalbek on Wednesday.
US officials believed days into the war that a humanitarian crisis was forthcoming, but the Biden administration didn't acknowledge their concerns.
Republican Senators allege the Biden administration is delaying the delivery of three critical types of military weapons and equipment to Israel.