From Secrecy News:
The state secrets privilege has been invoked by the Bush Administration with greater frequency than ever before in American history in a wide range of lawsuits that the government says would threaten national security if allowed to proceed.
In virtually every case, the use of the privilege leads to dismissal of the lawsuit and forecloses the opportunity for an injured party to seek judicial relief. . .
. . . See this selection of case files from recent state secrets cases.