** Shares of Jervois Global Ltd JRV.AX rise as much as
27.8% to A$0.092, best day since April 11 if gains hold
** Cobalt miner says its U.S. arm entered an agreement for
$15 mln in funding with the U.S. Department of Defense
** Co says the agreement is for conducting feasibility
studies on expanding cobalt extraction at its Idaho operations
mine
** JRV stock hits highest level since May 31
** Stock down 73.8% YTD as of last close
(Reporting by Ayushman Ojha in Bengaluru)
((Ayushman.ojha@thomsonreuters.com;))