Evidence indicates an engine failure 10 seconds after launch , Orbital 's CEO says . The turbo pump in one of the engines likely failed , he says . ` Current evidence strongly suggest that one of the two AJ26 main engines that powered Antares ' first stage failed about 15 seconds after ignition , '' Thompson said in a conference call with investors . Space Sciences still plans to stay on track with its $ 1.9 billion launch contract , he says .
Evidence indicates an engine failure 10 seconds after launch , Orbital 's CEO says . The turbo pump in one of the engines likely failed , he says . Space Sciences still plans to stay on track with its $ 1.9 billion launch contract , he says .