The X-60A, an air-dropped liquid rocket for hypersonic flight research, has completed its critical design review.
The first flight is scheduled in about a year, the U.S. Air Force Research Laboratory says.
Aviation News
The X-60A, an air-dropped liquid rocket for hypersonic flight research, has completed its critical design review.
The first flight is scheduled in about a year, the U.S. Air Force Research Laboratory says.