Inside the boat unseen North Korean team is detecting something strange!

- Sir! I'm detecting an intermittent signal that repeats four times and it is coming... outside the hull of our boat!?!?

- As well, "an intermittent signal?" (The commander asks). Does shooting enemy vessel affected some of our electronic systems?

- No! That's not it, sir! (the military warned of the problem responds). I'm still trying to identify the source, sir! Soon I will inform you what it really is!

Our Brazilian boat is sailing in invisible mode and zigzag up the river! The pilot Margarida is now with your feed motor off automatically.

- What happened? Why did you stop, Major? (commander asks Severus to Margaret, and she also shows that she does not understand what is happening).

- It was not me, sir! (the pilot states). Was the computer!

- I detected, fifty yards away up the river, a laser system installed from margin to margin in this river! (supercomputer boat informs invisible). The system is a trap to destroy us if we wished we interrupt the light beam to go up the river.

- Ahhh! Okay, computer! (Severus thanks). What will happen if we cross the beam of light? I wonder what kind of weapon is prepared for it to hit us and how we will do for us deceive such a system?

The Soldier John uses zoom lenses, available also in cameras side of the boat! It evaluates the riverbanks where the laser signal comes.

- Sir! There are two automatic cannons, one on each side of the river. They are hidden in the woods and both pointed, toward each other, toward the center of the river. If we cross the line we will be laser hit from both sides.

Now the commander Severus, satisfied with the above information, makes a decision:

- Lieutenant Julius! (responsible for weapons invisible boat Brazilian). We will test our guns electromagnetic pulses. I want you to set the laser system on both sides of the river. The pulses will destroy the functioning of the device, and this will help us cross the river without problems and our enemies will not know we're here. Lieutenant Julius! Identify the GPS position of these arms! On the way back we will destroy them before they go up the river our allies and they are affected by them.

- Yes, sir! (Julius responds).

- Commander! The four artificial insects are approaching us. The boat is invisible enemy together! (Soldier John comments).

Inside the boat unseen North Korean team has just discovered the problem they are detecting:

- Sir! Everything indicates that we have a sign in our hull,... type... GPS!?!? Perhaps our enemies have sent us GPS locators, guides clung on our hull!

- If this is true, we need to eliminate this problem! We can not approach the other boat with a target painted on our digital hull. Operate the system of electrocution external entire hull. This should destroy the devices that were installed from the outside.

- Sir! This shock will have to be quick! Otherwise we may run out of charge on our batteries!
- Accelerate the engine more! We will increase the load on the system! (commander orders).
- Yes, sir!

They trigger the system and the whole boat seems to short-circuit with the river water! Several sparks jumping all over the place, marking gently boat silhouette Invisible North Korean under the typical sound of electricity at high voltage. The banks of the Taedong River North Korean military realize that something wrong is happening and warn the commanding admiral of the fact. Inside the boat unseen North Korean commander receives a call from the admiral ground:

- Commander! We are visualizing an electrical discharge coming from the center of our river! Do you think the boat invisible Brazilian crossed our defenses?

- No admiral! Ask our technicians for them to analyze the origin of this!
- And where our boat is invisible now?

The North Korean commander hesitates. He can not tell the truth, which is still within the Taedong River. So the military leader of the vessel Asian mind:

- We Are patrolling our borders, admiral! If any enemies get closer or attempt an invasion, we will surprise them!

- Very well, Commander! We will investigate the electrical phenomena within our river. Anyway none of our traps river was still activated. Stay on guard! If we detect the presence of our enemy Brazilian inside the country, I'll contact him to help us fight it.

- Yes, sir! (commander of the North Korean vessel responds, worried about the consequences of their lies).

- We're increasingly complicated with all this, Commander! (the immediate military in charge of the North Korean vessel informs).

The commander Asian don't give attention to his subordinate and he stares at the monitor in front for signs of the enemy boat Brazil. In another vessel, the green and yellow team realizes that something is going the distance and the commander receives new information from his staff:

- Commander! We just lost the signal from the four artificial insects that were on the enemy ship. They poured a strong electrical charge and it overloaded the circuits of small winged vehicles.

- Damn! Fighting against them will be more difficult than I imagined. And if they are able to do this... then we will have to use another approach to fight them. Major! (speaking to the commander Severus pilot Daisy). The laser system was destroyed enemy, then we'll move into the river! We have to get away from this Korean boat! Come on! Soldier John! Send another artificial insect to land on that boat. But this time I want you to turn off the GPS signal it.

- Sir! If I do not help to send it (the soldier John states). We do not know where the enemy is!?!?

- Stay connected to only camera that is in the insect, soldier! (commander orders). Ensure that it is facing the enemy vessel motion, toward the bow. When they approached us a little more, we'll see you them through the camera of insect, the same location of the river where we've been sailing before. Computer! I want you to continuously compare the images that our cameras that are on the bow, with the images sent by the camera are the artificial insect. When images are similar you inform us. Let it find the speed of our enemy and we will maintain a safe distance for us not to be surprised.

- Very well, sir! (Supercomputer vessel Brazilian states).
- Good idea, Commander! (John praises the soldier, and he is taking care of the external cameras). We will monitor them in a way they never imagined that we would be able!

John now sends another artificial insect and it scans it with the laser system to meet again the enemy ship that comes after him. The little invisible flies over the river in a quick zigzag seeking to locate the presence of our enemy. After a few minutes he found it and he sends it to the current GPS position of the North Korean boat then to ours. Soon after he hangs up the location of such a system to land on the enemy vessel. Then the artificial insect retains its front camera aligned with the movement of the similar North Korea. The plan is armed again! The boat invisible Asian approaches the location where the laser system should have caught the enemy Brazilian! But nothing happened!

- Sir! There is no sign of the enemy between us and the river laser trap!!
- Check the operation of the system! (Commander orders).

The soldier triggers some commands and a special lens it binds to detect the presence of a laser beam spot. He is surprised and he returns the information to the commander Asia:

- Sir! The trap laser was turned off! (one North Korean military confirms its commander). Apparently no shot was fired heavy artillery!

- Damn! (Commander exclaims, pounding the table in front of him). They are very smart! They detected the laser trap that our army installed! We will keep pursuing it until the next trap! How to detect the sound of the propeller of the enemy is?

- Very weak, sir! They must be sailing at low speed, but they continue switchbacks and still distant from us. Somehow it seems that they always know that we are away from them.

- What about the cannon bow? It has already been repaired? (Commander North Korean inquires).

- Yes, sir! We're ready to shoot so we make sure we have the location of the enemy position.

- Okay, officer! (Commander speaks to his official arms control board). Pilot! Accelerate over this boat! We'll get closer to them and so we surround the enemy with the second trap.