FeaturesREIMAGINING SATELLITE CONSTRUCTION
Satellite manufacturers are beginning to equip spacecraft with metal parts made on 3-D printers. Someday, those manufactured parts might be assembled into spacecraft by robots operating in clean rooms.
RUSSIA SHOOTS FOR THE MOON
Roscosmos, the Russian space agency, has developed a program that sets the stage for building a permanent base on the moon.
by Anatoly ZakANALYSIS: THE MANNED-UNMANNED DEBATE
Planning a future mix of manned and unmanned combat aircraft poses the daunting task of comparing the cost effectiveness of competing airframes.
by Robert Haffa and Anand Datla
READ IT BEYOND THE RD-180
The Air Force is funding research into domestic alternatives to the Russian-made RD-180 rocket engine, which has been a mechanically reliable but politically volatile workhorse for U.S. government satellite launches.
by Marc Selinger GETTING CREATIVE ABOUT AIRLINER TRACKING
Malaysia Airlines flight 370 disappeared a year ago, and aviation authorities say the coming months could be a turning point in the effort to get some kind of airliner tracking system in place quickly, while longer-term technical questions are sorted.
by Debra Werner