Military parades & street damage
The 1991 military parades emphasized marching soldiers, sailors, Marines, and airmen over military hardware for two reasons. Firstly, weapons are useless without troops and military hardware itself does not fight a war.
But there's also a more practical reason: Tanks, infantry fighting vehicles, and other heavy, tracked vehicles are really hard on asphalt roads. Armored vehicle tracks, pressed into the soft asphalt with the weight of up to sixty tons of steel, deform asphalt and makes it unusable. Pretty much any civilian road a tank rolls down will have to be closed until the street itself is repaved, a process that could take weeks. In 1991 New York City officials clearly said no to tracked vehicles, while Washington D.C., the seat of federal government, likely had less room to refuse and limited vehicles by weight.
https://www.popularmechanics.com/military/weapons/a16714030/military-parades-are-obsolete/
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