National Security Journal on MSN

SR-72: The Air Force’s New Hypersonic Bomber?

The SR-72 “Darkstar” is envisioned as a Mach-6, air-breathing ISR platform—but could it strike? -Hypersonic speed complicates ...

Leaf blowers are up to 60% off this week for fall clean up

Before you get too excited about leaf blowers being 60% off, we should probably acknowledge the elephant in the yard: Many ...