The United States has quietly started delivering promised arms for Iraqi soldiers from a $1.6 billion fund approved by Congress last year, officials said, following mounting Iraqi frustration over the pace of coalition assistance.

The Pentagon said long-awaited equipment from the Iraq Train and Equip Fund (ITEF) started being fielded about two weeks ago and was moving as fast as possible. Officials noted extensive, previous arms transfers under different U.S. authorities.

Iraq’s Prime Minister Haider al-Abadi laid bare his frustrations at a gathering in Paris this week, saying Baghdad had received “almost none” of the promised international assistance. […]