President Barack Obama fully supports the Pentagon's decision to lift a ban on women serving in frontline combat roles, White House spokesman Jay Carney said.
Ahead of the Pentagon's formal announcement later today, Mr Carney told reporters Obama is "very pleased" with the decision and "fully supports this effort to expand opportunities for women."
Carney said the recommendation emerged from military commanders, although Obama had discussed it with Defence Secretary Leon Panetta and others.
More top news
Police have stepped up patrols after the suspected targeted attacks.
The royal couple will carry out their first official engagements as husband and wife on Tuesday.
Flights from UK airports were an average of 15 minutes late in 2017.