Combat Communications Flashcards
7 cards from real FMF practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Combat Communications flashcards as text
What is the purpose of 'radio listening silence' (RLS) in military operations?
Answer: To prevent compromise of positions and plans by ceasing all transmissions while monitoring the net
Radio listening silence allows units to receive critical traffic while withholding their own transmissions, denying the enemy the opportunity to detect positions through direction finding.
What type of report is used to immediately notify higher headquarters of enemy contact?
Answer: SALUTE report
The SALUTE report (Size, Activity, Location, Unit, Time, Equipment) provides a concise, standardized format for reporting enemy contact to higher headquarters.
Which of the following is a threat that Electronic Warfare (EW) poses to tactical communications?
Answer: Jamming, interception, and direction finding of friendly radio emissions
EW threats include jamming (disrupting reception), interception (listening to traffic), and direction finding (locating transmitters), all of which can degrade or compromise communications.
What does 'COMEX' mean when announced on a radio net?
Answer: Communications exercise is beginning
'COMEX' (Communications Exercise) signals the start of a scheduled communications exercise, instructing net members to begin exercise procedures.
When a radio operator says 'AUTHENTICATE,' the other station must:
Answer: Respond with the correct letter or word from the current authentication table
Authentication requires the challenged station to provide the correct response from the SOI/CEOI authentication table, verifying they are an authorized net member.
What is the primary advantage of using UHF (Ultra High Frequency) for line-of-sight communications?
Answer: UHF provides shorter wavelengths that allow for smaller antenna systems and better penetration of urban environments
UHF's shorter wavelengths allow compact antenna designs and generally better performance in cluttered or urban environments compared to lower-frequency bands.
What is the function of a 'KY-68' or similar VINSON family device in combat communications?
Answer: It provides Type 1 encryption for secure voice communications
The KY-68 and other VINSON family devices provide NSA-approved Type 1 encryption, enabling secure voice communications over tactical radios.