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US officials continue to attempt to clarify US policy regarding Ukraine's ability to strike a limited subset of Russian military targets within Russia with US-provided weapons, but public communications about US policy remain unclear.
A Syrian Arab Army (SAA)-affiliated source reported on June 4 that the Syrian Defense Laboratories Corporation manufactured rockets that Lebanese Hezbollah has used to conduct attacks against Israeli positions in northern Israel
A senior Hamas official responded negatively on June 4 to the latest Israeli ceasefire proposal for the Gaza Strip. Hamas appears unlikely to accept a proposal that does not meet the maximalist demands that Hamas has maintained since December 2023. Hamas Political Bureau member Osama Hamdan said Hamas cannot agree to a proposal that does not guarantee a permanent ceasefire, the complete withdrawal of Israeli forces from the Gaza Strip, and a hostage-for-prisoner exchange. Hamdan called on international mediators to obtain a clear Israeli commitment to these demands. Hamdan added that all Palestinian factions share Hamas’ position. Hamas remains confident that it will survive Israeli military operations in the Gaza Strip and can therefore maintain its maximalist demands without granting major concessions.
Select Russian military commentators continue to complain about superior Ukrainian drone and electronic warfare (EW) capabilities on the battlefield, continuing to highlight the rapid and constant tactical and technological innovation cycles that are shaping the battlespace in Ukraine. A Russian milblogger who formerly served as a "Storm-Z" unit instructor posted a list of complaints on June 4 detailing the challenges that Russian forces face in repelling Ukrainian drones and claimed that effective and pervasive Ukrainian drone use is now the "leading factor" in Ukraine's ability to repel Russian offensive actions.
Ukrainian forces struck a Russian S-300/400 air defense battery in Belgorod Oblast likely with HIMARS on June 1 or 2. Geolocated imagery published on June 3 shows two destroyed launchers and a damaged command post of a Russian S-300/400 air defense system in a field east of Kiselyovo (just north of Belgorod City).
Israeli Prime Minister Benjamin Netanyahu said on June 3 that Israel will not agree to a permanent ceasefire until Israel achieves its war objectives. US President Joe Biden outlined the latest Israeli ceasefire proposal and encouraged both Hamas and Israel to accept it during a speech on May 31. He said that the proposal includes an initial six-week ceasefire with a partial Israeli military withdrawal and the release of some hostages while Hamas and Israel negotiate a permanent end to hostilities. Netanyahu said on June 3 that Biden’s outline of the proposal was only “partial.”
Unspecified US and Israeli officials said that Israel adjusted its military operations in Rafah to avoid crossing the US Joe Biden administration’s red lines. Israel originally planned to deploy two divisions to conduct clearing operations in Rafah. The United States expressed concern that such action could increase civilian casualties significantly. President Biden said on May 8 that the United States will stop supplying Israel with certain weapons if Israel conducts a major military operation into Rafah. The latest reporting is consistent with other reports that Israel was planning a limited attack targeting Hamas in Rafah and that the IDF is moving “more deliberately” in Rafah.
Ukrainian President Volodymyr Zelensky met with US and Singaporean officials and highlighted the upcoming Global Peace Summit during the International Institute for Strategic Studies' (IISS) Shangri-La Dialogue in Singapore on June 2. Zelensky met with US Defense Secretary Lloyd Austin and members of the House Foreign Affairs Committee to discuss the battlefield situation, Ukraine's need for additional air defense systems, and the importance of Ukraine's ability to strike Russian military targets near Kharkiv Oblast.
Russian forces conducted a large-scale drone and missile strike mainly targeting Ukrainian energy infrastructure on the night of May 31 to June 1.
The IDF Air Force has killed three Hamas officials in the central Gaza Strip over the past week. Israeli forces continued clearing operations in Rafah.