http://www.popularmechanics.com/space/rockets/a14848403/rumors-swirl-that-the-secret-zuma-spacecraft-launched-by-spacex-was-lost/
Update 10:50 p.m.: Bloomberg and The Wall Street Journal are now reporting that
the spacecraft is believed lost, citing government and industry sources. The reports also say that
U.S. Strategic Command,
which tracks all operational satellites as well as space debris above a certain size,
has not registered or started tracking the Zuma satellites