The smoke shell is designed to create a smoke screen.
The converted tanks carried 21 HE and 14 smoke shells.
The mortar could also fire white phosphorus-based smoke shells and mustard gas shells.
It also fired a colored smoke shell.
Over 100 smoke shells were fired from supporting artillery to screen infantry moving through Karbala's streets.
Miniature black smoke shells will burst into the sky like an inkblot every afternoon and slowly dissipate.
The phosphorus from the smoke shells burned us out.
His tankers had fired smoke shells for more than ten minutes, but now the Guardsmen were running low on every kind of ammunition.
This fuze was also used to burst smoke shells.
One call to the firebase brings in our arty, anything from smoke shells to a nuke.