Space exploration should aim for peace, collaboration and co-operation, not war and competition

By Kuan-Wei Chen, Ram S. Jakhu, Steven Freeland, Published by The Conversation, 11 October 2021 When the Soviet Union launched Sputnik 1 in 1957, it represented humanity’s first significant foray into the cosmos. Our imagination was opened to the wonder and lure of space for human endeavour as science fiction

Read More

Current (left) and planned (right) missile warning architecture. Credit: Government Accountability Office

GAO steps up criticism of Space Force’s missile-warning satellite procurement

by Sandra Erwin, Published by SpaceNews, 22 September 2021 GAO: 'Despite early steps to speed up development, the Next-Gen OPIR program faces significant technical and managerial challenges' WASHINGTON — The U.S. Space Force is providing Congress overly optimistic projections about the schedule and cost of next-generation early warning satellites, the

Read More

Operators need to combine SSA data from multiple sources in order to get a level of accuracy high enough to make useful decisions on whether to maneuver to avoid potential collisions. Credit: AGI

Satellite operators need more accurate SSA data

By Jeff Foust, Published by SpaceNews, 16 September 2021 WAILEA, Hawaii — Space situational awareness data used by satellite operators isn’t accurate enough to support the decisions they need to make on whether and how to maneuver their spacecraft to avoid potential collisions. In a paper presented at the Advanced

Read More

DARPA believes that nuclear-powered propulsion could enable rapid maneuver in space — a capability that is difficult to achieve with current electric and chemical propulsion systems. (Defense Advanced Research Projects Agency)

Pentagon taps industry for nuclear-powered propulsion for its satellites

By Nathan Strout, Published by C4ISRNET, 10 September 2021 WASHINGTON — The Department of Defense is looking to industry for nuclear-powered propulsion technology to drive its spacecraft, freeing them from the low-energy limitations of current electric and solar-based propulsion systems. Those traditional systems have largely served government space systems well.

Read More