The claim that President Donald Trump has become critical of NATO for refusing to back the US-Israeli war with Iran is not directly corroborated by multiple independent sources. While evidence exists regarding Trump's criticism of European leaders and NATO generally (Claim 7, Claim 8), the specific link to NATO refusing to support a 'US-Israeli war with Iran' is not independently confirmed by multiple sources.

While the evidence confirms that the UK, Poland, and the Baltic states are major players in European security and have been involved in recent military events (e.g., Polish airspace incursions, UK's defense budget), the claim that they are 'among the most vocal supporters of Ukraine' is a general geopolitical assessment not confirmed by multiple independent sources provided. The evidence is insufficient to corroborate the 'vocal supporter' status across multiple sources.

The claim that President Vladimir Putin stated Russia would not attack a NATO member unless attacked first is a common geopolitical talking point, but the provided evidence does not contain a direct, verifiable quote or report from multiple sources confirming this specific statement. While sources discuss Russia's aggressive posture and NATO relations, the specific 'unless attacked first' statement is not independently corroborated.