On his solo journey, he will likely face waves as tall as two double decker buses, tropical storms, hidden atolls (coral reefs) that could puncture the boat’s hull and fishing fleets off the coast of Japan.
Mr Wood, now 33, is preparing to sail 6,000 nautical miles (11,112km) from Mexico to Japan to raise funds for the charities who helped his recovery.
The father-of-two, who will leave the UK for Mexico this week, told the PA news agency: “I’ve been sailing around the world for eight years and every single sail that I’ve done has been a collective experience to this goal.
His boat which is already fitted with extra grab rails will have an electric winch installed but apart from that Mr Wood said he will operate it as normal.
A veteran who lost both legs and his left arm serving in Afghanistan hopes to become the first triple amputee to sail solo and unsupported across the Pacific Ocean.