I winced. The purpose of this kind of submarine was a little embarrassing to explain to an alien. [Actually, Ax, it's a military submarine. See the rows of hatches along the back? It's a nuclear missile sub. There's a missile under each of those hatches. Armed with a nuclear warhead.]
[Ah. I see.]
[It's deterrence. You know, in case the enemy uses nukes on use, we have these safe on our subs,] Marco explained.
[What enemy?]
[Well... okay, we don't exactly have one right now,] I said, feeling fairly idiotic. [But we used to. And we may get one again.]
[We're shopping at all the sales,] Marco said brightly. [Enemies "R" Us, EnemyMart, J C Enemy. Don't worry, we'll find one.]
- Megamorphs 2: In the Time of the Dinosaurs, K. A. Applegate, Scholastic: 1998.
1. These books are actually fairly smart.
2. This was a really shocking passage to re-read in 2009.