The Air Force may be backtracking from its stated plan to keep the A-10 Thunderbolt II flying until 2030.
Secretary Wilson said that new wings for the A-10 will keep the aircraft in the inventory for another dozen years.
Lawmakers have been pressing the U.S. Air Force the last few weeks about its light attack program.
Critics should look at recent problems with the Air Force's newest AC-130J gunship as routine the command's top general said.
The service is requesting that defense companies submit ideas on how best to develop new wings for the A-10 fleet,
The Air Force has selected two aircraft in its "light attack experiment" to undergo more demonstration fly-offs.
The AC-130J Ghostrider's fire control systems "performed inconsistently when accounting for changing ballistic conditions."
The service plans to launch a new competition for the re-winging work.
More than two dozen A-10s didn't fly in late November after two pilots reported hypoxia-like symptoms.
Check out some stunning footage from the 2014 mini-documentary "Grunts in the Sky: The A-10 in Afghanistan."