AdvertisementDefense Secretary James Mattis: 'We're Not In Iraq To Seize Anybody's Oil'February 20, 2017Maggie PenmanfacebookEmailDefense Secretary Jim Mattis seems to be aiming to reassure U.S. allies while overseas. Ahead of an unannounced visit to Iraq, Mattis rejected President Trump's statements that the U.S. should have seized Iraqi oil after the invasion. (AP)