Cripes, this reminds me of Civ 2.
"Whew, I finally got musketteers."
"Ha! I have obitally inserted Marines"
"Well, I finally have aircraft"
"Stealth fighters baby!"
"Cannons?"
"Yeah, that would be pretty cool if I didn't have ANTI-ARTILLARY LAZERS!"
"..."
"That's right, squeak."