Northrop Grumman says its final Defense Support Program satellite—DSP flight 23—is well on its way toward launch with the recent mating of the satellite and its launch vehicle payload adapter. The DSP is slated to launch April 1 aboard a Boeing Delta IV heavy evolved expendable launch vehicle from Cape Canaveral AFS, Fla.
The use of a military counter-drone laser on the southwest border this week—which prompted the Federal Aviation Administration to abruptly close the airspace over El Paso, Texas—will be a “case study” on the complex web of authorities needed to employ such weapons near civilian areas and the consequences of agencies…

