Merlin World's highest rate water electrolysis apparatus <a href="http://www.doppstein.com/" target="_blank">http://www.doppstein.com/</a> See White paper, April, 93% efficiency, 42kw/kg. I've been looking for lightweight PEM products for a long time, have you seen any? Also I don't think a test run delay has anything to do with these missing components. Elbit and UAV's mentioned in this article, <a href="http://www.jpost.com/servlet/Satellite?cid=1226404751066&pagename=JPost%2FJPArticle%2FShowFull" target="_blank">http://www.jpost.com/servlet/Satellite?cid=1226404751066&pagename=JPost%2FJPArticle%2FShowFull</a> makes me think of this Globetel/Sanswire Teams up with Elisra Electronic Systems to Create Integrated Airship Solutions <a href="http://news.thomasnet.com/companystory/526287" target="_blank">http://news.thomasnet.com/companystory/526287</a>