INLAND ONLY You are meeting "head-on" a tug towing a barge alongside about a mile away. In addition to the white masthead lights which other lights do you see on the tug and tow combined?

Correct Answer: Option C — The green and red sidelights marking each vessel and a special flashing light

Inland Rule 24(f) requires a vessel towing alongside to display sidelights for the unit. Additionally, Inland Rule 24(i) mandates a special flashing light for vessels pushing ahead or towing alongside on Western Rivers, which is yellow and flashes at 50-70 flashes per minute, distinct from standard navigation lights.