Mission description updates.

data/missions/alba/08 - alba defence #3.json

@@ -1,6 +1,6 @@
 {
 	"name" : "Alba Defence #3",
-	"description" : "",
+	"description" : "The Pandorans have begun moving forces into the system, and formed a number of staging grounds. Some of these grounds consist of Tzac fighters that have been acquired from Crystabel's forces. As of now, they are non-operational, but are being defended by some mobile plasma turrets. The objective is simple: destroy those fighters.",
 	"requires" : 50,
 	"background" : "gfx/backgrounds/background03.jpg",
 	"planet" : "gfx/planets/torelli.png",

data/missions/aster/04 - aster assault.json

@@ -1,6 +1,6 @@
 {
 	"name" : "Aster Assault",
-	"description" : "",
+	"description" : "A large Tzac force has gathered in Aster. The White Knights are being sent in alone to deal with it. We need to continue to show that we are capable of winning these engagements with minimal losses to the enemy force. Mag and disable all Tzac craft in the area, and do not allow any to be destroyed, even by stray fire.",
 	"requires" : 54,
 	"background" : "gfx/backgrounds/background04.jpg",
 	"planet" : "gfx/planets/star.png",

data/missions/mace/04 - mace assault #4.json

@@ -1,6 +1,6 @@
 {
 	"name" : "Mace Assault #4",
-	"description" : "",
+	"description" : "We're closing in on Tzac itself. This is where things get tricky, as we need to ensure we capture the empress alive. Ground teams will flush her out of her palace, and she'll likely make a run for the jumpgate. Her shuttle will need to be disabled and protected as soon as it's sighted. Remember to keep enemy casualities to a minimum.",
 	"requires" : 56,
 	"background" : "gfx/backgrounds/background05.jpg",
 	"planet" : "gfx/planets/tzac.png",