Noun:

বড়ো কামান নির্মাণ ও চালনা সার্জেন্ট,

gunnery sergeant's Usage Examples:

a retired United States Marine Corps staff sergeant and honorary gunnery sergeant.

(November 4, 1916 – February 19, 1945) was a United States Marine Corps gunnery sergeant who received the Medal of Honor for heroism above and beyond the call.

The eighth enlisted grade, ranking above gunnery sergeant and below master gunnery sergeant, sergeant major, and Sergeant Major of the Marine.

States Marine Corps first lieutenant who earned the Medal of Honor as a gunnery sergeant during World War I.

(born July 2, 1967) is a medically retired United States Marine Corps gunnery sergeant who gained fame as the "Cigar Marine", recipient of the Silver Star.

staff sergeant (YM/SSgt), gunnery sergeant (YM/GySgt), master sergeant (YM/MSgt), and then finally to master gunnery sergeant (MGySgt).

At the time of this action Canley was a gunnery sergeant with Company A, 1st Battalion, 1st Marines.