The United States will give families of American personnel at a military base and consulate in Turkey the option of relocating now that the base has become central to the air campaign against Islamic State militants, officials said on Thursday. The U.S. military last month started launching manned and unmanned air strikes against Islamic State targets in Syria from the Incirlik air base near the southern city of Adana in Turkey. Turkey has also launched strikes out of Incirlik. The option to relocate applies to the air base at Incirlik and the U.S. consulate in Adana, the State Department and Department of Defense said. “This decision was made out of an abundance of caution,” State Department spokesman Mark Toner said in a statement.