Star Trek Convention

ALYSSA ORR/LAS VEGAS REVIEW-JOURNAL
Laura Crawford, center, dressed as a Glommer, sits next to her mother, Anna Gheen, dressed as a Tribble, both from Dallas, Texas, at the opening day of the Star Trek Convention at Rio Hotel-Casino Thursday, Aug. 11, 2011.  Both mother and daughter dressed as aliens from the series for the event.  Crawford's character is from the animated series while Gheen's character is from the original series.  Star Trek celebrates it's 45th anniversary having started in 1966 and this Las Vegas convention claims to be the world's largest.