Training conducted at sea will include surface and anti-submarine warfare , coordinated gunnery exercises , air defense and visit , board , search and seizure drills .
在海上进行的将包括地面和反潜作战,协同射击演习,防空和访问,登上,搜查和检取的演习训练。
Their reckless and effective use of the weapon at extreme short ranges , however , is less instructive than what their gunnery appears to lack over distances which we have always considered quite normal for the hmg .