User blog comment:Sergeant Michael/Would the modern worl be able to survive a Covenant attack./@comment-3341288-20131011170413/@comment-1683193-20131012080530

Nukes don't have the range to hit a target thousands of kilometers away. Also, the UNSC do have LMGs(the SAW from Halo 4), though I agree we'd win on the ground with equal numbers.