□ □
[□] □
□+ □
" Mr. Secretary , in the interest of advancing the cause of freedom , including the right to freedom of thought , conscience , religion or belief , we strongly urge you to uphold human dignity by exercising your authority and designating Saudi Arabia , Turkmenistan , and Vietnam as countries of particular concern , " the letter reads . So as we contemplate the advancement of space power , I believe that it is helpful to recall the thoughts of Hap Arnold , of course a pioneer and champion of air power . I am happy to entertain any questions . And I say sure , I say , when anybody asks that question , we have a stockpile of MREs and a bucket full of cash , and we are going to have a good plan to hole up in Cheyenne Mountain on New Years Eve . Electron microscopes , invented in the mid-twentieth century , made it possible to detect even tinier objects than light microscopes , including smaller molecules , viruses , and DNA .