CrossFit is not strength training, and my views on CF have been discussed ad nauseum in several places:
http://www.t-nation.com/training/cro...d-and-the-ugly
http://www.t-nation.com/free_online_...lympic_lifting
http://www.huffingtonpost.com/mark-r...b_4597039.html
http://www.muscleforlife.com/mark-rippetoe-interview/
and several others. If you travel and don't have access to barbells -- or fail to obtain access to barbells -- you cannot do a barbell strength program. Sorry, but that's the math.