(1)
In general.—
Whoever unlawfully delivers, places, discharges, or detonates an explosive or other lethal device in, into, or against a place of public use, a state or government facility, a public transportation system, or an infrastructure facility—
(A)
with the intent to cause death or serious bodily injury, or
(B)
with the intent to cause extensive destruction of such a place, facility, or system, where such destruction results in or is likely to result in major economic loss,
shall be punished as prescribed in subsection (c).