Morning Overview on MSN

The Air Force is quietly building a reusable Mach 5 bomber-drone built to punch through any air defense — a strike aircraft nothing Russia or China can match

In March 2025, an uncrewed aircraft screamed past Mach 5 over the Pacific, then glided back to a runway at Vandenberg Space ...
National Security Journal on MSN

At Mach 3.1 and 70,000 feet, the XB-70 Valkyrie bomber could outrun every Russian interceptor — but the US cancelled it

In the late 1950s, the U.S. spent $800 million building a Mach 3.1 strategic bomber that could cruise above 70,000 feet and outrun every Soviet interceptor. The North American XB-70 Valkyrie used six ...