As the Iran-U.S. ceasefire holds, fresh reports suggest Yemen's Houthis are using the pause to upgrade their missile arsenal. Israeli analysts warn the Iran-backed group is testing longer-range and more accurate missiles while maintaining close coordination with the wider Axis of Resistance. Houthi leader Abdul-Malik al-Houthi has also warned the group is prepared to resume attacks if regional tensions escalate. Is the ceasefire creating space for Iran's allies to rearm? Could the Red Sea become the next flashpoint?