Yep. Which is why I noted that.
Would be interesting to see how well Japan does in a few decades time as it goes into these military propulsion fields without hands tied. It would be in all east asian nations interest if Japan and China develop a working relation which means lower threat of destabilising forces like war or trade wars, but a friendly Japan China would mean at least resolving island dispute and Korean tensions. If the Korean war was to become officially over and there is reduced threat of war from either side, Japan doesn't need to be a threat to China and vice versa. Although I doubt either side will settle island dispute and concede. Hopefully a mini arms race brings out the best and further boosts China. Japan's economic woes are not exactly on its way to being over yet. It is putting people into poverty while China's still a per capita fraction of Japan's productivity, it still has population advantage (workable and productive population) and it is going to be on an economic upswing for the next 20 years.