![Haim Eshed, the former head of Israel's space security program, says aliens have built a secret underground base on Mars. Haim Eshed, the former head of Israel's space security program, says aliens have built a secret underground base on Mars.](https://compote.slate.com/images/199b0f87-a534-4ee5-9ff0-506c724f3389.jpeg?crop=3747%2C2498%2Cx245%2Cy358)
Haim Eshed, the former head of Israel's space security program, says aliens have built a secret underground base on Mars.
![Alien base: Conspiracy theorists find structure which 'is 100 percent proof' of aliens | Weird | News | Express.co.uk Alien base: Conspiracy theorists find structure which 'is 100 percent proof' of aliens | Weird | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/80/590x/secondary/ufo-sightings-1977171.jpg?r=1564129993003)
Alien base: Conspiracy theorists find structure which 'is 100 percent proof' of aliens | Weird | News | Express.co.uk
![Amazon.com: Alien Strongholds on Earth: Secret UFO Bases Exist All Around Us: 9781606119907: Beckley, Timothy Green, Casteel, Sean, Swartz, Tim R., Tessman, Diane, Watson, Nigel, Corrales, Scott, Lee, Regan, Invictus, Hercules, Shapiro, Amazon.com: Alien Strongholds on Earth: Secret UFO Bases Exist All Around Us: 9781606119907: Beckley, Timothy Green, Casteel, Sean, Swartz, Tim R., Tessman, Diane, Watson, Nigel, Corrales, Scott, Lee, Regan, Invictus, Hercules, Shapiro,](https://m.media-amazon.com/images/I/81dQ02-RNhL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Alien Strongholds on Earth: Secret UFO Bases Exist All Around Us: 9781606119907: Beckley, Timothy Green, Casteel, Sean, Swartz, Tim R., Tessman, Diane, Watson, Nigel, Corrales, Scott, Lee, Regan, Invictus, Hercules, Shapiro,
![Alien base discovered off the coast of Antarctica - UFO hunters claim | Weird | News | Express.co.uk Alien base discovered off the coast of Antarctica - UFO hunters claim | Weird | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/80/590x/alien-base-1444710.jpg?r=1627308944684)