Collocations for bombardment - noun

constant, continuous | heavy, intense | aerial, artillery, naval

conduct, launch, mount | stop | be subjected to, be under, come under, suffer | survive, withstand
They have withstood heavy bombardment for many months.

begin, start | continue, resume | (come to an) end, cease, stop

during/in a/the ~
Many people were killed in the bombardment.

under ~
The city has been under constant bombardment for three days.

~ against
The army launched artillery bombardments against enemy positions.

~ from
bombardments from the sea

~ with
a three-hour bombardment with rockets and mortars