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45,000 ISIS Fighters Have Been Taken Off Battlefield, Lt. Gen. Sean MacFarland Says

Lt. Gen. Sean MacFarland said that "the enemy is in retreat on all fronts."
A handout picture released by the US Department of Defence shows US Pentagon chief Ashton Carter (2L) walking with Army Lt. Gen. Sean MacFarland, commanding general of Combined Joint Task Force Operation Inherent Resolve (C-R) and U.S. Ambassador to Iraq Stuart E. Jones (L) upon his arrival in Baghdad on July 11, 2016. Carter said that Washington will deploy 560 additional troops to aid Iraq's fight to retake Mosul from jihadists, deepening US military involvement in the country. / AFP PHOTO / MC1 Tim D. Godbee / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / US DOD/ MC1 TIM D. GODBEE " - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS MC1 TIM D. GODBEE/AFP/Getty ImagesMC1 TIM D. GODBEE / AFP - Getty Images

WASHINGTON — The military campaigns in Iraq and Syria have taken 45,000 enemy combatants off the battlefield and reduced the total number of ISIS fighters to as few as 15,000, according to the top U.S. commander for the fight against ISIS.

Lt. Gen. Sean MacFarland said that both the quality and number of ISIS fighters is declining, and he warned that it is difficult to determine accurate numbers. Earlier estimates put the number of ISIS fighters between 19,000 and 25,000, but U.S. officials say the range is now roughly 15,000 to 20,000.

Saying that "the enemy is in retreat on all fronts," MacFarland said U.S.-backed local forces in both Iraq and Syria have been gaining ground. And he said the flow of foreign fighters into Iraq and Syria has decreased and that many people pressed into fighting for ISIS are unwilling or untrained.

Related: New 'Heat Map' Shows ISIS Branches Spreading Worldwide

"All I know is when we go someplace, it's easier to go there now than it was a year ago. And the enemy doesn't put up as much of a fight," he told Pentagon reporters in a video conference on Wednesday.

MacFarland said that Iraqi forces are in a position to begin to retake the northern city of Mosul. But he added that the U.S. still has quite a bit of work to do at the Qayyarah Air Base in northern Iraq before it can be used as a hub for that battle.

President Barack Obama authorized the deployment of 560 more U.S. troops to Iraq to help transform the air base into a staging area for the eventual battle to oust ISIS from Mosul. The group has held Mosul since June 2014.

MacFarland cautioned that while there have been successes in both countries, ISIS will continue to be a threat.

"Military success in Iraq and Syria will not necessarily mean the end of Daesh," he said, using an Arabic acronym for ISIS. "We can expect the enemy to adapt, to morph into a true insurgent force and terrorist organization capable of horrific attacks like the one here on July 3 in Baghdad and those others we've seen around the world."