The U.S. Air Force needs to distribute and retain drone pilots and sensor operators more effectively.
Some in Congress remain unconvinced the Navy knows how it wants to use a fleet of drone ships.
A House subcommittee said the Air Force can retire part of its Global Hawk fleet if it gets the sign-off from DoD officials.
A drone strike in northwestern Syria on Sunday killed two senior commanders with an al-Qaida-linked group, sources said.
He said the amphibious assault ship Boxer took defensive action after the drone closed to within 1,000 yards of the warship.
Army scientists have created a reconnaissance drone that soldiers will be able to fire from their 40mm grenade launchers.
The Defense Department's has recognized a joint urgent operational need for comprehensive counter-drone technology.
Germany said Tuesday it is abandoning plans to install a new airborne reconnaissance system on U.S.-made drones.
The top Pentagon acquisition official said Tuesday that the U.S. military is ramping up its counter-drone effort.
The DoD named the U.S. Army as executive agent for counter-UAS for all the services.