Two Czech Gripen fighter planes demonstrate a flight interception of a Belgian air force transport plane over the Czech Republic, as part of NATO drills on September 12, 2018. (Photo by Francois Lenoir/Reuters)

Sukhoi Su-30SM jet fighters of the Russkiye Vityazi (Russian Knights) aerobatic team perform during a demonstration flight in Krasnoyarsk, Russia October 6, 2018. (Photo by Ilya Naymushin/Reuters)

Israeli soldiers play the parts of wounded civilians during a drill simulating a toxic spill from an attack on a train in Beersheba, southern Israel, 13 January 2016, as Home Front medical teams, fire fighters and police carry out rescue operations. The large scale drill is the concluding exercise of the Fourth International Conference on Healthcare System Preparedness and Response to Emergencies and Disasters and includes some 200 of the world's experts on health system readiness from around the world. The conference is dealing with all types of medical emergencies from terrorist attacks to natural disasters. (Photo by Jim Hollander/EPA)

A simulated casualty is evacuated during an emergency services exercise at the disused Aldwych underground station on February 22, 2012 in London, England. Operation Forward Defensive aims to test the response to a terrorist incident on the London Underground network during the 2012 Olympic Games. (Photo by Peter Macdiarmid/Getty Images)

A solar-powered plane takes off from Jiangbei International Airport in southwest China's Chongqing Municipality, Tuesday, April 21, 2015. The Solar Impulse 2 departed Chongqing on Tuesday for a 1190-kilometer (642-mile) flight to the city of Nanjing in eastern China, the sixth leg of its around-the-world flight. (Photo by Chinatopix via AP Photo)

This photograph taken on February 18,2023 shows Asriyanti Iskandar, a member of the Kuala Lumpur Freefly group kissing her Sun Conure parrot during a free-flight session in Bangi, on the outskirts of Kuala Lumpur. The group organises events on public holidays and weekends to share knowledge of their experiences of free-flight training with fellow bird enthusiasts. (Photo by Mohd Rasfan/AFP Photo)

In this photo taken Wednesday, November 26, 2014 attack dogs and their handlers apprehend a “rhino poacher” center, after alighting from a helicopter into water, in a simulation exercise showing training at an academy run by the Paramount Group, near Rustenburg, South Africa. The course prepares canine units to find firearms or contraband, track suspects in the undergrowth and abseil in harnesses from helicopters in pursuit of poachers. Dogs and handlers learn to trust each other and fine tune a relationship balancing control and aggression. (Photo by Denis Farrell/AP Photo)

“Bear Grylls, (born Edward Michael Grylls, 7 June 1974) is an English adventurer, writer and television presenter. He is best known for his television series Man vs. Wild, known as Born Survivor in the United Kingdom. He was the youngest Briton to climb Mount Everest, doing so at age 23. In July 2009, Grylls was appointed the youngest ever Chief Scout at the age of 35”. – Wikipedia

Photos: Passer inspects “Camelot”, a replica camel carcass simulating that used by adventurer Bear Grylls to shelter in the Sahara desert during an episode of the Discovery Channel's “Man Vs. Wild”, in Wynyard Park on March 1, 2010 in Sydney, Australia. (Photo by Discovery Channel via Getty Images)