NASA Issues Announcement For Solar Electric Propulsion Studies “NASA issued a Broad Agency Announcement (BAA) seeking proposals for mission concept studies of a solar electric propulsion system demonstration to test and validate key capabilities and technologies for future exploration missions. … For more information about the announcement, visit: http://nspires.nasaprs.com“ Keith’s 20 June note: This press release was issued last Friday. The BAA that this release announces is still not online […]