USA are ranked number one in the world
Republic of Ireland boss Carla Ward admits that beating the USA will be very difficult at this time of year.
All of the fit Irish internationals reached the end of their club seasons a number of weeks ago.
Kill's Hayley Nolan has travelled with the squad.
The US players are in the middle of their domestic season.
Ward feels it puts more responsibility on her and how she manages the squad
That game at DSG Park in Colorado kicks off at 2 in the morning.

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