Added missing mission descriptions.

data/missions/clarke/04 - clarke defence #4.json

@@ -1,6 +1,6 @@
 {
 	"name" : "Clarke Defence #4",
-	"description" : "",
+	"description" : "White Knights, Commodore Parks has identified three enemy corvettes are high level targets. He wants Dodds, Koonan and Todd to take them down, as quickly as possible. There won't be any additional fighter support, but three ATAFs should be more than enough to get the job done. de Winter and Taylor are currently on another assignment. Dodds will lead the attack.",
 	"requires" : 28,
 	"background" : "gfx/backgrounds/background06.jpg",
 	"planet" : "gfx/planets/bluePlanet.png",

data/missions/clarke/05 - clarke defence #5.json

@@ -1,6 +1,6 @@
 {
 	"name" : "Clarke Defence #5",
-	"description" : "",
+	"description" : "We have discovered that Alysha's Calling, one of the highest profile enemy frigates, is currently in the system. We are preparing a strike team of Hammerheads, led by the Twilight Lancers, to engage and destroy it. It is unknown what effects, if any, the destruction of this ship will have on enemy morale, however it can only have a positive infact on ours. The frigate's support groups will need to be destroyed first.",
 	"requires" : 28,
 	"background" : "gfx/backgrounds/background06.jpg",
 	"planet" : "gfx/planets/bluePlanet.png",
@@ -53,13 +53,21 @@
 	},
 	"fighters" : [
 		{
-			"types" : "TAF;Ray;Kingfisher;Hammerhead",
+			"types" : "TAF;Ray;Kingfisher",
 			"side" : "SIDE_ALLIES",
 			"x" : 5,
 			"y" : 5,
 			"number" : 7,
 			"scatter" : 600
 		},
+		{
+			"types" : "Hammerhead",
+			"side" : "SIDE_ALLIES",
+			"x" : 5,
+			"y" : 5,
+			"number" : 5,
+			"scatter" : 600
+		},
 		{
 			"name" : "Pandoran",
 			"groupName" : "group-1",

data/missions/clarke/06 - clarke defence #6.json

@@ -1,6 +1,6 @@
 {
 	"name" : "Clarke Defence #6",
-	"description" : "",
+	"description" : "The enemy are beginning to overrun our frontline. Your objective is simple: engage and destroy all hostile forces. We cannot afford to lose any more ground here. To do so would mean conceding defeat and Clarke falling to the Pandoran fleet. This must not happen.",
 	"requires" : 30,
 	"background" : "gfx/backgrounds/background06.jpg",
 	"planet" : "gfx/planets/bluePlanet.png",

data/missions/rothan/01 - rothan defence #1.json

@@ -1,6 +1,6 @@
 {
 	"name" : "Rothan Defence #1",
-	"description" : "",
+	"description" : "A distress call from a CSN squadron has been issued, who were engaging Pandoran targets. It appears as though the enemy have magged the fighters, rather than destroy them. INF tugs are preparing to lead them out of the system, via the jumpgate. We need to destroy those tugs, and get those men and women to safety. We cannot allow the Pandorans to get hold of any of our technology.",
 	"requires" : 28,
 	"background" : "gfx/backgrounds/background05.jpg",
 	"planet" : "gfx/planets/bluePlanet.png",

data/missions/rothan/02 - rothan defence #2.json

@@ -1,13 +1,13 @@
 {
 	"name" : "Rothan Defence #2",
-	"description" : "",
+	"description" : "The Pandorans are preparing for a major push into Rothan, so we need to shore up defences as quickly as possible. Command have selected a number of positions that will give us a strategic advantage in the early stages of battle when the enemy arrives. The Blue Jesters are to link up with the Irregular Nomads near to one Rothan's inner jumpgates, and await further instructions.",
 	"requires" : 29,
 	"background" : "gfx/backgrounds/background05.jpg",
 	"planet" : "gfx/planets/bluePlanet.png",
 	"music" : "music/battle/determination.mp3",
 	"objectives" : [
 		{
-			"description" : "Rendezvous with Irregular Nomads",
+			"description" : "Rendezvous with the Irregular Nomads",
 			"targetName" : "Waypoint",
 			"targetValue" : 1,
 			"targetType" : "TT_WAYPOINT"