This claim is unverified because the provided sources do not contain any specific or corroborated information about Israeli PM Netanyahu blocking a U.S. Military strike plane ordered by President Donald Trump last week or about Netanyahu advising Trump on Israel's readiness against Iranian retaliation.
New reports suggest Israeli PM Netanyahu blocked US President Donald Trump Military strike plane on last week. Netanyahu told Trump that Israel was not ready to defend itself from Iran's likely retaliation, especially since the U.S. didn't have enough assets in the region to help Israel intercept Iranian missiles and drones.

Political Fact Check Database
Source: politifact.com
Key Evidence
The sources referenced are broad repositories (news archive and fact-check database) without specific articles or fact-checks addressing this incident. No independent or authoritative news outlets have been cited that confirm the interaction between Netanyahu and Trump regarding blocking a military strike plane or concerns about Iran retaliation defenses.
What the Evidence Shows
The search results include a general news archive and a political fact-check database but do not provide any direct reports, official statements, or credible news articles confirming the claim that Israeli Prime Minister Netanyahu blocked a U.S. Military strike plane last week as described. There is no available evidence in these sources to substantiate the assertion that Netanyahu communicated concerns to Trump about Israel's defense readiness or U.S. Military asset availability in the region related to Iranian missile and drone threats.
Without concrete reporting or official confirmation, this claim remains unverified. Additionally, the timing of the event ('last week') cannot be cross-checked due to lack of date-specific coverage in the sources.