 At 8 : 31 in the morning of April 19 , 1989 Iowa prepared to engage in a main gun firing drill as Moosally and Johnson watched from the ship 's bridge . Turret Two was to fire 2 @,@ 700 @-@ pound ( 1 @,@ 200 kg ) practice ( no explosives ) projectiles with five powder bags . The use of five bags had been directed by Skelley and was against regulations but Moosally was not aware of the unauthorized nature of the drill . 
