The United States is fast-tracking deliveries of military hardware, including drones and missiles, to Iraq, a Pentagon spokesperson said in a statement.
The US promise comes after al Qaeda-linked militants took over parts of Ramadi and Falluja, strategic cities on the Euphrates River.
The US ruled out sending American troops to Iraq, two years after Washington ended nearly a decade of occupation.
More top news
The ARA San Juan disappeared on November 15, en route from Ushuaia to Mar del Plata.
Top management at British Gymnastics face a grass roots rebellion in the wake of recent controversies surrounding the sport.
Philip Hammond's financial commitment to the NHS in this year's Budget falls short of what is needed according to hospital bosses.