Dylan Smith wrote:

You'd have to get it within 0.5km if *airburst* to be effective - if
exploded on the ground, its destructive range would be very short (maybe
a city block) - you'd have to drive right up to the gates of the White
House.

You can park within about three blocks of thw White House and as long
as you look inconspicuous enough (like a brown delivery uniform guy
pushing a hand truck), you could walk easily to within a block.