planefag A Flying Bundle of Sticks Mar 22, 2022 #21 Required reading: https://direct.mit.edu/isec/article/41/4/9/12158/The-New-Era-of-Counterforce-Technological-Change
Required reading: https://direct.mit.edu/isec/article/41/4/9/12158/The-New-Era-of-Counterforce-Technological-Change
