Necker Island (British Virgin Islands) would survive their castaway adventure for at least three weeks, but as McCullin later recounted, "because of our gathering weakness ... out of temper, and out of water, we hoisted the red flag and were taken off in the early hours of the fifteenth day". According to McCullin, there was nothing idyllic about the desert island: "The mosquitos and other insects were more venomous and persistent than any I had encountered in Vietnam or the Congo." Richard Branson's "Extreme Tech Challenge" has been hosted annually at Necker Island since 2015. Described as one of the largest technology competitions in the
Necker Island (Hawaii) various stone structures there. Visits to the island are said to have started a few hundred years after the main Hawaiian Islands were inhabited, and ended a few hundred years before European contact. French explorer Jean-François de La Pérouse was the first European to visit the island, in 1786. The island is named after Jacques Necker. The islands were formally annexed in 1894 by the Provisional Government of Hawaii. Because of the island's usage by Native Hawaiians as a ceremonial and religious site in Ancient Hawaii, the island was added to the National Register of Historic Places in 1988. Necker