The Pentagon's advanced research arm is seeking industry's input on the controlled re-entry of objects from low Earth orbit. In a May 3 notice, the Defense Advanced Research Projects Agency said it will hold a workshop on June 1 to gather information on "near-term technologies and solutions for the controlled re-entry of objects from low Earth orbit (LEO)" and "long-term advanced concepts that could evolve from near-term capabilities." The objective of this workshop, which will take place at DARPA's conference...