The Army is wrapping up a six-week program to test the viability of using touchscreen phones and tablets in combat.

CNN: U.S. Army may soon equip troops with smartphones

Although Guptill and McCullum successfully guided the hosts the end of the day without the loss of further wickets, Australia remain confident of wrapping up the victory early on the final day to end their summer season with yet another Test victory.

BBC: Australia move closer to Test win against New Zealand