Topic - Michael D. Griffin

They can be augmented by railguns, directed energy weapons, cruise missiles, hypersonic missiles and autonomous vehicle swarms, Mr. Griffin stated.

Pentagon urged to build advanced defenses against growing cruise, hypersonic missile threats to U.S. →

“We need to up that by a factor of 10,” he said in remarks to the Mitchell Institute for Aerospace Studies. 

Inside the Ring: U.S. lags China, Russia in hypersonic arms race →