1. It's a ground-to-air tracking scope.

2. By some kind of ground-to-air missile.

3. USAGE SIGMETs are primarily intended for ground-to-air communication.

4. It must be re-emphasized that SIGMETs are intended primarily for ground-to-air communication.

5. The Anvil Ballista is an ground vehicle specializing in Anti-Air weaponry, including Ground-to-Air Torpedoes

6. Experts reviewed proposals for amending category # to include missiles of below # km range and ground-to-air missiles

7. SESAR will therefore set up an efficient network of ground-to-air data links, enabling in particular the accurate 'trajectory" information exchanges referred to above.