That was unencrypted downlink, so troops on the ground could receive the signals without expensive equipment. The control frequencies are encrypted.
Myth Eight: An integrated battery is a significant problem for users
Having an extra battery to swap in makes sense on a laptop, but does not make sense for a phone, particularly one that has standard external battery packs that can be used via its dock connector.
Programmers used to batch environments may find it hard to live without giant listings; we would find it hard to use them. -- D.M. Ritchie