In the following twelve months, the brigade's offensive operations killed 541 insurgents, wounded 101 more, and detained over 2,081 enemy fighters, including the capture of 18 high-value targets and 20 foreign fighters. The brigade responded to hundreds of small arms and RPG engagements, as well as over 550 IED (improvised explosive device) attacks. In order to disrupt the enemy's ability to conduct operations, the brigade captured 41 heavy machine guns, 175 RPG launchers, 3,134 mortar and artillery rounds, 1,781 rockets, and 17 surface-to-air missiles. In addition to combat operations, the brigade formed and trained the 60th Iraqi National Guard Brigade, including the 500th, 501st, and 502nd ING Battalions. 1st Brigade also sponsored over $23.8 million in civil projects in the Al Anbar province. The BCT returned to Fort Riley in September 2004.