The option that <u>would not</u> be miliraty jargon would be 'absent without leave' because anyone can use the phrase and know what it means, so it would be considered <em>standard english</em>.
Carry grendel's severed head back to heorot. beowulf finds that hrunting is useless against grendel's mother. beowulf slays grendel's mother with a giant sword.
It is exclamation point because for example, the person who is staying this sentence probably was astonished, or find it interesting so he/she said this sentence.