DHS said manned aircraft.
Today politicians say
US agencies should use advanced technology to identify mysterious drones, Schumer says
"There's a lot of us who are pretty frustrated right now," Rep. Jim Himes, D-Conn., the top Democrat on the House Intelligence Committee, said on "Fox News Sunday." "'We don't know' is not a good enough answer," he said.
Invasion or Rebellion
From Congressional website
Article I
Section 9 Powers Denied Congress
Clause 2 Habeas Corpus
The Privilege of the Writ of Habeas Corpus shall not be suspended, unless when in Cases of Rebellion or Invasion the public Safety may require it.
ArtI.S9.C2.1 Suspension Clause and Writ of Habeas Corpus