National Security Journal on MSN

Mach 6 ‘Miracle’ SR-72 Darkstar Has a Message for Russia or China

The SR-71 retired in 1999, but its rumored successor—the SR-72 “Darkstar”—keeps resurfacing. -Lockheed’s Skunk Works has ...

CA High-Speed Rail says this simple change could get a train built faster. What we know

The California High-Speed Rail Authority says it wants a sales tax exemption on in-state purchases, a first-ever move for the ...