Assembling Test of Josaphat Laboratory UAV JX-1 (21 April 2011) Posted on April 21, 2011August 28, 2013 by Josaphat Tetuko Sri Sumantyo Assembling Test of Josaphat Laboratory Unmanned Aerial Vehicle (UAV) JX-1 at Center for Environmental Remote Sensing, Chiba University on 21 April 2011.