Aide-de-camp used in a sentence

Aide-de-camp in a sentence as a noun

> On one flight, he and his aide-de-camp learned "BackTrack,"It only took him one flight to learn to use 40+ apps?

> On one flight, he and his aide-de-camp learned "BackTrack," a Linux-based product that helps people test their network security.

I am french and my great grandfather served in WWI as an aide-de-camp to a general and I used to talk to him on our long walks when I was 8-9 and he was 87-88.