A suggestion

Bess way with the Survey Corps uniforms for each of the recruits. 

The Survey Corps uniforms embroidered with the wings of freedom have not yet been made, after all, they are all different in height and weight, so now they are sent a green cape with the pattern of the wings of freedom. 

The recruits eagerly seized the cape, Takashi opened it, found a clasp and tied it to his body, it was very loose and did not affect movement. 

"It would be amazing to have my picture taken in this uniform, I never thought I would one day have the Survey Corps uniform, let alone in this world." Takashi thought to himself. 

After meeting with Eren and having dinner, Takashi didn't converse much and retired. He walked to Commander Erwin's office, but the castle was relatively large and he couldn't find the commander's office quickly. 

In the hallway, Petra, who was holding some documents in her hands, saw Takashi, who was looking around and seemed to be looking for something. 

"Takashi, what are you looking for, do you need help?" Petra's voice was kind. 

Takashi looked away to see Petra behind him and asked, "Hello, Major, where can I find Captain Levi?" 

Petra was a little surprised, "Are you looking for Captain Levi? I'm about to send the documents there, come with me." 

Takashi nodded. "Thank you for your help." 

On the way he was trying to choose the right words. He and Petra walked all the way to the office. 

"Dong dong!" 

Petra knocked on the door politely at first, and only pushed after hearing the invitation. 

Takashi waited quietly outside and after hearing Petra's voice, he went inside.

Takashi was surprised when he entered and thought, "Is it a meeting?" 

He didn't know that the Survey Corps senior officers were very busy these past few days. The survey outside the walls was not a sightseeing tour. After planning the route, they need to communicate with the garrison troops in the karanese district. Funds and equipment are needed and only after obtaining permission from the supreme commander of the three legions, the Survey Corps can act. 

It is known that the Survey Corps is not welcomed in many places by other legions. Ironically, after the fall of the wall Mary everyone started to rely on the Survey Corps, but still the expenses are very important and rarely can the resources for the other legions be maintained, but there will always be resources for the Survey Corps. 

However, no one could stand in Commander Erwin Smith's way, everyone knew that.   

After Takashi walked in everyone was stunned when they saw Takashi, it was too much of a coincidence that this recruit is always on everyone's lips. 

Commander Erwin Smith smiled and said softly, "Takashi, what's wrong?"

Takashi looked at his uncle and then said without saying many words, "Sir, I want to report something about the flares." 

Hange Zoe was a little puzzled and asked, "Is there a problem with the flare?" 

"I must say that the battle plan is truly brilliant, but there is still a very important leak that must be taken into account." 

"What is the problem you discovered?" Hange Zoe was interested in what Takashi was about to say, it was known that his ideas made the war on Trost much easier by recommending those wooden poles. 

Everyone looked at him in confusion. 

Takashi's expression was very calm: "Sir, considering all the aspects I have discovered so far, you have to consider having a special flare to signal the appearance of intelligent titans like the colossal, armored and female titan." 

Mike frowned, "Do you think we might encounter an enemy like the armored titan in exploration?" 

"You are correct sir, considering that the enemy might be in our ranks, we have to choose a group of the best soldiers who will give the signal." Takashi explained. 

He didn't dare to assure his words. He might even be singled out as a suspect, but he didn't care. It seemed that earlier Commander Erwin was suspicious of his actions taken before the attack in the Trost district, but Levi might have said reassuring words so that those suspicions would be removed. 

Erwin was very calm: "Tell me your opinions and suggestions." 

"If a special titan like the battleship appears, it would be very difficult to deal with and by the time the corps was aware of the anomaly, many would have died. Even if they are veterans, they cannot assure to face an intelligent titan and survive. 

The Survey Corps elites present frowned and Mike raised his eyebrows, "What do you mean?" 

"Combat experience should not blind our compression when attacking, they are intelligent and quite possibly we are not yet sure of all their abilities. Attacking them with military tactics would be a mistake." 

"They can see and move in a completely normal way. Ordinary titans would not attack our team's ropes or special movement points, nor would they protect their vital pistons when threatened." 

After a pause, Takashi continued, "Maybe I'm saying things you already know, but if Eren in his titan form is attacked, he can completely cover the back of his neck with his hands, act like an abnormal titan then make movements impossible to predict can deal with the most experienced soldiers." 

"Throwing a stone, dirt or dust can make attacks very difficult." 

Indeed, many people present changed their faces when they heard those words, even if intelligent titans did not show other abilities, just because of intelligence alone would completely change the battle. 

Erwin calmly asked, "It's not a problem to make a new flare of a different color, do you think there's any good way to deal with that?" 

"Run away, once the report is given you have to run away from that titan, fighting intelligent titans in an open space would be suicide, I think that much is clear to you." 

Levi looked at Takashi and said, "How do you know the way the titans attack?" 

Takashi looked at his uncle and said, "When the titan appeared that called all the titans in the city to the point where Eren was, some soldiers attacked him and died in a matter of seconds." 

"You made a good point, we hadn't thought of that." Hange Zoe said with a smile. 

Erwin Smith nodded without comment and asked again, "Is there anything else?"    

"No, sir." Takashi shook his head. Satisfied to mention those details he knew in advance were not considered. 

With a nod, he turned to leave. 

Watching Takashi leave, Erwin asked Hange Zoe, "Is it possible to make a flare signal with a new color that corresponds to the sighting of an intelligent titan?" 

Hange Zoe smiled and said confidently, "That's simple."    

Captain Erwin smiled, he didn't mind Takashi's harsh words and wouldn't ignore her advice because he was a recruit. 

As long as he is useful, he can listen to it, and he doesn't even care if the means are glorious or not, after all he is Captain Levi's nephew. 

When only Erwin, Hange Zoe, Levi and Mike were left in the office, Mike couldn't help but say, "Do they really think to carry out the operation to capture an intelligent titan?" 

Levi and Hange Zoe also looked at Erwin. Although Hange Zoe also wanted to capture an intelligent titan alive, it was too difficult. After studying Eren's titan power, she understood much more about intelligent titans. 

Erwin was adamant, "Even if it is difficult, it only means we will sacrifice more for this victory and they will die less in the future, we know very little and the secret in the basement of Eren's house is completely unknown at the moment."  

"It's hard to say if there's any information we need, but if we can catch an enemy, we can at least find out who's attacking humanity! No matter how much sacrifice we have to make to achieve this!" 

Mike understood, "So this plan can't be told to mere recruits."   

"No, for now we also have to postpone the information about the intelligent titan sighting flare until the end." Erwin said with a serious expression. 

Including Takashi, Mikasa and Armin, Erwin doesn't plan to inform any more recruits about his plans. Now considering that the enemy is among their ranks, everyone can be a potential suspect, at least those who have not been in the corps for more than five years.    

It is impossible to know where the enemy will be during the expedition, so recruits will be scattered throughout the formation. If there are other titans, it will be known during that time. 

As long as the enemy does not want to sit back and watch the humans take back the Wall of Mary, they will definitely attack them, and the most likely target of the attack is Eren, who may also be a titan! 

On the other hand, Takashi also returned to the dormitory. He had done his best to improve the results of that operation, hopefully it will be better. 

In the next few days, Hange Zoe was going to spend some time making a dark purple flare, a sign of the appearance of an intelligent titan. 

At the same time, the most reliable Survey Corps soldiers were told about the new signal, if a dark purple signal is seen, they should flee immediately. And pay attention to the appearing titans, knowing how to differentiate between normal, abnormal and intelligent titan.