diff --git a/TechTree/First3.md b/TechTree/First3.md
index 3bda377..cde6538 100644
--- a/TechTree/First3.md
+++ b/TechTree/First3.md
@@ -12,9 +12,16 @@ Level 0
         * Access Nuclear  Fuel data
         * Access Energy Shield information
         * Get access to Engine Simulation Module
+            * Simulate Power combinations given Battery Charge / Energy Shield 
+            * Simulate Engine Service
+            * Simulate Planned Engine Maintenance
+            * Simulate unplanned emergency maintenance
     * Connect Bot to Health Data
         * Access Health Data Stats
         * Get Access to Nutrition Simulation Module
+            * Understand optimal levels of Nutrition Vs Health
+            * Simulate Nutrition Production 
+            * Simulate alert based system 
         * Identify Nutrition Needs
         * Create Food
         * Schedule Consumption via Space Suit port
@@ -23,6 +30,11 @@ Level 0
     * Connect Bot to Space Ship Sensor Network Data
         * Access to  real time exterior sensor data
         * Get access to Security Simulation Module
+            * Simulate Physical  break in 
+            * Simulate Software break in
+            * Simulate Airborne Virus Attack 
+            * Simulate Fire Situation
+            * Simulate flooding / Leaky Valves
         * Access Security System
         * Get report on damages
         * Access to different sections of the ship
@@ -30,10 +42,18 @@ Level 0
     * Connect Bot to the Flight path Data
         * Access flight path
         * Get access to Flight Path Simulation Module
+            * Assess time to travel
+            * Assess Energy Consumption
     * Connect Bot to Food System 
-    * Connect Bot to Space Ship Dashboard                             
+        * Access Hydroponics Base
+        * Get access to Simulation Module
+            * Energy to production mapping
+    * Connect Bot to Space Ship Dashboard    
+        * Power up Complete Dashboard ( once previous pieces are done  )                         
 * 3	         Power Systems
-    * 	                                   
+    * Access Different back up power system Status
+    * Simulate Power Generation module
+ 	                                   
 * 4	         Radar	Initialization
 * 5	         Health System	Initialize space suit
 * 6	         Information Gathering System	Connect space ship control dashboard