35 is old for a lt.
In Naval terms, a Lieutenant is the equal of a land forces captain, not a just out of the factory Butterbar . O3 equivalent in the US system.
I imagine that there isn't a whole lot of upward mobility in the Argentine Navy.
Old for a Lt? (That’s a captain to us Army, Marine, and Air Force guys.)
You probably know it’s “hitch your wagon to a star” that gets you promoted. In the case of the “South of the Border” military, if you’re a woman that involves sexual favors for your boss. Seen that. Up close.
It could have been she was a good girl and said “no thank you” once too often. Descansa en paz, Teniente.