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 Nymph Necker Nymph The Necker Nymph is a submersible vehicle operated by Virgin Aquatic from the 32-metre yacht Necker Belle, which is based at the Virgin Limited Edition resort Necker Island in the British Virgin Islands. The "Necker Nymph" is the initial example of the DeepFlight Merlin class of positively-buoyant open-cockpit wet subs manufactured by Hawkes Ocean Technologies. It relies on hydrodynamic forces for anti-lift force. It is 4.5 metres long, capable of 360-degree "hydrobatic" maneuvers, can dive up to 40 metres underwater, and seats one pilot and two passengers in an open cockpit (necessitating wearing scuba gear). Occupants have a