Rear Adm. John Kirby
"As terrible as it is, its not going to change our strategy," said a spokesman.
The flights have included fighter jets and long-range bombers.
The Obama administration had previously described the threat as "imminent."
The White House called Ahmed Godane's death a "major" loss for al Qaeda.
The Pentagon said Hagel had asked for more information on the program.
130 U.S. advisers are already in Iraq helping local forces.
“It’s more than symbology,” a Pentagon spokesman said.
Navy SEALS have a “very high code of silence because of what they do.”
ISIS fighters are changing their tactics and hiding more among civilians.
The Pentagon said it would start "very soon" on selecting Syrian groups for training.
The hostages had been moved before special forces reached the site.
Advisers are now assessing the situation before possibility of recommendations.
Skeet shooting range is among the targets of cost-saving measure
There is an interest among top U.S. policymakers in coming up with new options on Syria, a Pentagon...