New Delhi, Feb. 15 -- In a historical feat, Lieutenant Commander Dilna K and Lieutenant Commander Roopa A, aboard INSV Tarini, crossed Cape Horn, located at the southern tip of South America, on Saturday while sailing on the third leg of the Navika Sagar Parikrama II expedition, said an Indian Navy statement.

The passage takes the two sailors through the Drake Passage, which is named after the English explorer Sir Francis Drake, who confirmed the existence of an open sea route south of South America. It is a treacherous waterway known for its extreme winds, towering waves and unpredictable weather, the statement added.

"Making their successful passage a significant achievement," it further reads.

The officers have now earned themselves...