Read through the most famous quotes by topic #unman
The threat of terrorism is great and with today's porous borders, someone could bring a biological weapon into our country or sneak a dirty bomb across unmanned portions of our borders. ↗
We have lost one shuttle for every 57 flights and that is not a good ratio. I do believe we need to continue space flights, but maybe we can follow the example of the Russians and use unmanned vehicles to transport hardware into space. ↗