Army Men Toys in Space - Act 1 - Hard Difficulty

Welcome to my walkthrough of Army Men Toys in Space! I will be playing hard difficulty settings in this campaign so I will try to win as fast as possible & uncover secrets as possible.
Act 1 Missions:
Mission 1 - Saving Sarge's Soldiers (0:26)
1. Eliminate all Tan forces in this area.
The hostages can help you... If you help them first.
A fed ant is a happy ant.
Mission 2 - Battle of the Bugs (05:56)
1. Find and destroy Tan's secret base!
The base is well guarded.
Mission 3 - Sand in your Face (09:33)
1. Find a way into the UFO!
Not every entrance is open or visible.
Someone is calling you.
Mission 4 - A Better Tomorrow (17:28)
1. Rescue Tina Tomorrow.
2. Help her deactivate the 3 force-field generators.
The signal came from the walkie talkie.
Escort Tina to the generators so she can deactivate them.