What are key SATCOM security considerations, including anti-jamming and link encryption?

• A. Use cryptographic protection for transmissions, anti-jamming techniques (nulling, spread spectrum), frequency hopping, and secure key management.
• B. Rely on physical security at installations only.
• C. Security is unnecessary if transmissions are short-range.
• D. Only use unencrypted communications for speed.

Answer: (A)