В общем, да, но я думаю, мы очень мало знаем об американских возможностях в этой области (в частности, о количестве данных устройств).

Reconnaissance satellite
In the United States, most information available is on programs that existed up to 1972, as this information has been declassified due to its age. Some information about programs prior to that time is still classified, and a small amount of information is available on subsequent missions.