With the United States still playing catch-up in the hypersonic race with Russia and China, the US Congress watchdog has flagged some key technological gaps in the US Army’s ‘Dark Eagle’ hypersonic program. Even as the US Army’s first hypersonic weapon is reportedly nearing the completion of its final testing,  the US Government Accountability Office … Continue reading ‘Tech Gaps’ Puncturing US Hypersonic Program Despite Years Of Effort & Billions Of Dollars – US Watchdog