Spaceflight News— Ligado stepping on GPS’ toes (spacenews.com) (en.wikipedia.org) (fiercewireless.com)Short & Sweet— OSIRIS-REx mission extension announced (arizona.edu) (spacenews.com)— SOFIA operations to end later this year (spacenews.com)— AX-1, Crew-4 swap places (spacenews.com) (americaspace.com) (americaspace.com) (spacenews.com) (americaspace.com) (spacenews.com) (nasaspaceflight.com)This Week in Spaceflight History— 5 May, 1997. Maiden launch of Iridium satellites (en.wikipedia.org) (en.wikipedia.org) — A view of Iridium from the business side (PDF: jitm.ubalt.edu) (cnn.com)— Next week in (5/10 - 5/16) 1992: Two’s company, three’s a record.