They can be used to shoot people.
Impossible to answer without the specific circumstances.
The advantages are the things we use as bikes stove these are examples and advantages. The disadvantages are guns and other dispicable examples.
In a war working for the big guns side has no disadvantage.
possible, yes
Possible disadvantages may include premium payment, personal questions, and a possible health exam before issuance.
Death?
disadvantages..................... .flammable .expensive .contamination possible .not all medication available
possible. better with shoulder support
yes
Yes it is possible but rare.
No direct fire mode possible.
The disadvantages are possible death, away from family and freinds. However you will be serving our country which is very honorable.