The US Navy has announced that the USS Theodore Roosevelt would leave the Persian Gulf this fall and that would be the first time the Pentagon has no warships in the region since 2007.Adm. John Richardson, who is President Barack Obama ' s nominee to lead the Navy, said on Thursday that a two - month gap in presence of the aircraft carrier could make problems in the war against the ISIS terrorist group, Presstv reported. " Without that carrier, there will be a decrement in our capability there, " Richardson told the Senate Armed Services Committee. The USS Theodore Roosevelt will not be in the Middle East for about two months.Recommended:US aircraft carrier moves to Persian Gulf The carrier has been launching strikes against ISIS targets in Iraq and Syria since last year. Obama’s air campaign strategy to “degrade and ultimately destroy” the ISIS terrorists has been criticized by some American officials. Critics insist on deploying combat troops on the ground in Iraq. They cite the group’s gains as the latest signs that Obama’s strategy to defeat the terror network is failing. The ISIS terrorists, who were initially trained by the CIA in Jordan in 2012 to destabilize the Syrian government, are engaged in crimes against humanity in the areas under their control.