A staunch advocate of the relatively new naval rifled guns , he was the first officer to effectively use them to knock out an enemy stone fortification .
After being appointed as a brigadier general , Gillmore took charge of the siege operations against Fort Pulaski .
A staunch advocate of the relatively new naval rifled guns , Gillmore was the first officer to effectively use them to knock out an enemy stone fortification .
After being appointed as a brigadier general , Gillmore took charge of the siege operations against Fort Pulaski .