Air strikes? The Department of Defense.
Strikes, as in labor strikes? No government department is responsible for these, although the Department of Labor can have some influence over them. But the strikes themselves are the responsibility of the unions involved, and the businesses.
Agriculture
The department of the Interior
the department of treasury
None
The Secretary of Transportation.
The Dept. of Representatives
Department of defence
The Deparment of Labor
the department of energy
The Hon Fredrick A. Mitchell
Dep. of the Interior
The Secretary of Defense