Congress has expressed interest in the possibility of knocking out hypersonic missiles with an extended-range version of the Army's Terminal High Altitude Area Defense system as the United States and Russia race to produce air-launched hypersonic cruise missiles. According to media reports, Russia aims to produce a hypersonic cruise missile before 2020, around the same time the U.S. Air Force expects to transition its scramjet and boost-glide hypersonic missile designs into acquisition programs. The House Armed Services strategic forces subcommittee...
