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

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

Here’s What You Need to Remember: So far, the SR-72 exists only on paper; none of the aircraft have yet been built, let alone flown. More than fifty years after its... Here’s What You Need to Remember ...

The SR-71 Blackbird is easily one of the world's most iconic aircraft. They first took to the skies in the 1960s, and by the turn of the century, they were retired. Nowadays, you can only find SR-71s ...

The SR-71 is perhaps the most iconic Cold War spy aircraft, famous for many record-setting flights. Seemingly impervious to loss by enemy defenses, a dozen Blackbirds were lost to accidents. On July ...

At Mach 6, the SR-72 can cut across radar fields of view so quickly that establishing a continuous track becomes nearly impossible. Looking less like a warplane and more like a sky monster, legendary ...