Michael Birnbaum,WaPost
U.
S. commanders are worried that if they had to head off a clash with Russia, the most powerful military in the world could get stuck in a traffic jam.
Humvees could snarl behind plodding semis on narrow roads as they made their way east across Europe. U.
S. tanks could crush rusting bridges too feeble to hold their weight. Troops could be held up by officious passport-checkers and stubborn railway companies.
Although many barriers would drop absent if there were a declaration of war, or the hazy period before a military engagement would present a major problem. NATO has just a skeleton force...
Source: realcleardefense.com