If military capabilities are secret then whatever they might be able to detect will not be passed on to the public because that would obviously inform adversari

If military capabilities are secret then whatever they might be able to detect will not be passed on to the public because that would obviously inform adversaries about those capabilities. Remember Trump's gaffe when he shown satellites pictures of some Iranian facilities taken by a secret satellite... As others have commented, there is also a difference between ultra-high definition pictures of precise locations and sweeping entire oceans.