One suspect thought to be involved in "terrorist media and propaganda operations" was detained in Baghdad, along with a "large amount" of propaganda materials, the military said in a statement.
North of Baghdad, troops captured a suspect accused of being involved in weapons manufacturing and car-bomb attacks in Tikrit. The military accused the suspect of having ties to other al-Qaida in Iraq weapons makers.
In Hadid, a village near Baqouba, 35 miles northeast of Baghdad, forces detained another suspect in propaganda and media operations. The detainee is allegedly tied to several al-Qaida in Iraq members recently detained or killed by coalition forces.
In Samarra 95 kilometers (60 miles) north of Baghdad and Mosul 360 kilometers (225 miles) northwest of Baghdad troops detained seven suspected terrorists as they targeted al-Qaida in Iraq members involved in IED attacks on troops and the support of foreign terrorists.
Names of those picked up were not released.