What combination of visual distress signals is acceptable under USCG requirements?

The correct answer is the combination of three handheld red flares or one handheld flare and two red meteors, which meets the United States Coast Guard (USCG) requirements for visual distress signals.

Visual distress signals are crucial for safety while boating, especially in emergencies when a vessel requires assistance. The USCG regulations specify specific types and quantities of visual distress signals that are considered satisfactory for boaters to carry on board. The combination mentioned ensures a high level of visibility and signaling capability. Three handheld red flares offer multiple signals in case one fails or is not seen immediately, while the additional red meteors provide a different style of signal that can also be effective in getting attention from rescuers.

In contrast, relying solely on a single handheld red flare does not provide sufficient redundancy or coverage for signaling, making it less effective in an emergency. Smoke signals, while useful in some situations, may not meet the historical criteria for visual distress signals under maritime regulations. The idea that no combination is acceptable contradicts established guidelines that allow for specific combinations intended to enhance safety and visibility on the water.