Explorer 2
Explorer 2 was launched from Cape Canaveral Air Force Station LC-26A in Florida on March 5 , 1958 at 18:28 UTC by a Juno-I launch vehicle . 
<triplet> Explorer 2 <subj> LC-26A <obj> start point <subj> Juno-I <obj> space launch vehicle <triplet> LC-26A <subj> Florida <obj> located in the administrative territorial entity