For review:1. US Agrees to Unspecified Security Guarantees for Ukraine; Talks to Continue.2.  Estonia Begins Installing Concrete Bunkers on Border with Russia. The initial batch represents the first phase of the Estonian 600-bunker network as part of the Baltic Defense Line project- coordinated with Lithuania and Latvia.3. Prime Minister Benjamin Netanyahu on Monday met with the US Ambassador to Turkey and Special Envoy to Syria and Lebanon Tom Barrack, amid concerns that Israel could launch a major military offensive against Hezbollah if Beirut does not step up its campaign to disarm the terror group.4. The US is hosting a conference in Doha tomorrow aimed at offering potential donor countries more details on how the ISF will operate in a bid to move ahead with the initiative that has appeared to stall since the UN Security Council backed its formation roughly a month ago.5. Tom Barrack (US Ambassador to Turkey), said there were “ongoing discussions with Türkiye regarding their desire to rejoin the F-35 program and their possession of the Russian-made S-400 air defense system.”6. Trinidad & Tobago Allow US Military Access to Airports. Only 7 miles (11 kilometers) separate Venezuela from the twin-island Caribbean nation at their closest point. It has two main airports: Piarco International Airport in Trinidad and ANR Robinson International Airport in Tobago.