To an approximate degree, yes, except that penetration of domestic networks would not be necessary, merely the normal legal processes from CALEA, MOUs with tele

To an approximate degree, yes, except that penetration of domestic networks would not be necessary, merely the normal legal processes from CALEA, MOUs with telecom companies, etc. The government already does this kind of stuff, only through the FBI instead of the NSA. You would "penetrate" a foreign network when there is no ability to expect cooperation and no ability to compel.