** Shares of Austal ASB.AX advance as much as 8.5% to
A$2.43, set for best day since early April - if current gains
hold; shares up ~7.4% as of 0035 GMT
** Global shipbuilder and defence prime contractor says
Austal USA has been awarded $450 mln contract by General
Dynamics Electric Boat
** Contract to enable Austal USA to expand production
capacity at U.S. shipyard in support of the U.S. Navy Submarine
Industrial Base
** Co says contract award will fund Austal USA to enhance
its existing infrastructure, among others
** Shares hit highest level since Aug 16
** Stock had risen ~17.7% this year, as of last close
(Reporting by Archishma Iyer)
((Archishma.Iyer@thomsonreuters.com;))