"Your country's m1a3 actually corresponds to the ko9-3 cannon. The improvement direction of this cannon is to make the elevation angle of the cannon larger so that it can have more diverse ballistics. The maximum elevation angle of the prototype of the ko9 cannon you know is 43 degrees, while the elevation angle of the m1a3 is 75 degrees. It is a good idea to obtain some special ballistics by changing the elevation angle, but the strength of the cannon stand is a problem."

"There is no need to worry too much about the life of the gun stand. The United States of America has enough heavy artillery for us to squander. As long as it can suppress the Japanese long-range artillery, nothing is a problem." Pershing said.

"Okay, but what about the relevant transport vehicles and auxiliary equipment? You know, whether it is on soft beaches or on bumpy gravel ground, these guys with transportation weights of up to a dozen tons need special tractors. Full tracked. They also require high power and vehicle stability." Major General Carls said.

"There is no big problem, we try to satisfy it." Pershing was a little hesitant in his words. For the United States, if the problem that can be solved by quantity is not a problem, but if it needs to be solved by technology and cannot be achieved in technology, it is a real problem.

"Okay, since that's the case, then I think I can come up with a general solution to improve it." As he said, Major General Karls pulled out a firing table from the document and quickly came to a huge sand table. "The reason why naval guns cannot effectively suppress the Japanese long-range artillery is not only the range, but also the ballistic is a problem. We need a more curved trajectory, for example." As he said, Major General Karls drew an arc in the air.

"Because our shells need to cross many mountains and heights, we need a higher trajectory, but because the distance between the two sides is very long, we need a longer range. So, now the only way is to use strong charges to shoot when the artillery is at high elevation angle. We have also performed similar operations on the Western Front, and the effect is pretty good, but the damage to the artillery, especially the artillery stand, is relatively large." Major General Karls said.

According to the most basic mathematical principle, the maximum range of the artillery is obtained at an angle of 45 degrees. Therefore, the maximum elevation angle of a long-range cannon in general will not exceed 45 degrees in battle, because as a long-range suppression cannon, your elevation angle will not increase the range, and the requirements for the artillery frame will be higher. Therefore, the increase of elevation angle of the long-range cannon in later generations is just for more diverse ballistics. An elevation angle of 45 degrees will shorten the range of the artillery shell. The most fatal problem with the Japanese long-range cannon position is that if you want to attack this target, first, your ballistic needs to be bent, and secondly, the range is required. If you want to solve this problem, you can only increase the elevation angle of the artillery, and at the same time use strong medicine to meet the range needs.

"Even if the ballistic aspect is feasible, we have to find the right location to deploy these artillery. We cannot deploy it to the current sixth field, because the Japanese will soon find these places and easily destroy our long-range artillery." Pershing said.

"New Ireland is a big island. In addition to the six boards selected by the US military, there are actually some open spaces in the coastal areas, which are close to mountains or plateaus. Because it is impossible to enter the island from here, your army has not paid attention to it. However, if we deploy artillery positions in these positions, we still have the opportunity to threaten some Japanese long-range artillery from the side." As he said, Major General Karls used his push rod in his hand to mark several positions on the map. "Deploy some 155mm long-range artillery here, and we have the opportunity to suppress nearly half of the Japanese long-range artillery that has been seen today."

In fact, if you want to know the New Ireland islands, both Americans and Japanese are too 10% compared to Germans! After all, Germany has been entrenched on this island for 40 years! The rigorous Germans conducted a detailed survey and mapping of the entire island. Combined with the performance of the weapons and equipment in their hands, the Germans can naturally infer that those places can be used. Although these places seem very unfriendly to heavy equipment, either tidal flats, beaches, or rippling coasts. This is why Major General Karls raised the issue that might require high-power special vehicles. However, since the United States said it was fine, the remaining engineering problems were the Americans, and had nothing to do with Major General Karls.

"Major General Marshall, tell me what you think." Pershing said.

"No problem. At least on the beach, we can transport these heavy weapons. We will use special load-load tractors to traction. Before, we have considered the problem of heavy artillery operating on the beach. We have replaced all heavy artillery tracks. There is no problem with passing normally. We have also prepared a large number of prefabricated steel plates. You should have seen it, which is the hollow steel plate with a porous structure. We can first use construction machinery to create a relatively flat position, and then lay the steel plates." Major General Marshall said.

The Americans did a good job in preparation, especially logistics and infrastructure, which are max-level! It not only includes the ability to supply irregular drinking fresh water to the personnel on the destroyer and equip the submarine with ice cream machines, but also includes the establishment of a troop station, artillery position or airport in seemingly impossible places of the Japanese army!

"What about the other half?" Major General Marshall asked after thinking about it. Major General Carls made an unhelpful move, meaning that I can't help you anymore.

"If we can mobilize heavier artillery, then is there a chance to solve the remaining problems?" Marshall said unwillingly.

"The heaviest towing cannon in the empire is the 175mm cannon, and the higher the level is the train cannon level. I don't think that under the current circumstances, the United States can deploy train cannons here, and there seems to be no towing cannon in your country that is larger than the 6-inch cannon." Major General Carls said.

Karls' words are very clear. If you want to shoot further, you need larger artillery, and it must be deployed here. The largest 6-inch artillery for the Americans, the Germans' 175mm artillery, but if it needs to be allocated and transported from Germany, it is definitely not a problem that can be solved in a short time, so you can make do with it first.

"It's not easy to solve half of it. We can't push everything to our allies. Here, I thank the German Empire for its help to the United States. If there is a need on the front line, can you and your subordinates arrive at the front line? Of course, I can guarantee that the US military will try their best to ensure their safety. They only need to be responsible for artillery-related work." The black old man Pershing said sincerely.

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