Hypersonic Weapons

Castelion's $1.05B Series C: Why Carlyle and JPMorgan Are Now Co-Leading Venture Defense Rounds

TL;DR: On August 19, 2026, hypersonic missile startup Castelion closed a $1.05 billion Series C — structured as $800 million in equity plus a $250 million revolving credit facility — at a $13 billion