Israeli official Zamir warned a Trump administration counterpart named Cooper over the weekend that an Iranian Revolutionary Guard Corps missile exercise and recent missile movements could serve as cover for a surprise attack on Israel, urging close U.S.-Israeli coordination on defensive preparations, according to Axios reporter Barak Ravid in a post shared just before 11:46 PM UTC on December 21, 2025. Ravid's report, posted at https://x.com/BarakRavid/status/2002883325426577863 and linking to https://www.axios.com/2025/12/21/israel-iran-missile-drill-trump-warning, stated Israel issued the warning during the weekend amid concerns over Iranian activities. This development follows Israeli intelligence detections of unusual IRGC movements from 9:47 PM to 10:16 PM UTC earlier today, as reported by C13 and cited by Osint613, and Channel 11's statement that President Trump will not approve large-scale Israeli attacks on Iran.