Grey Havoc said:
In-flight ignition would have been tricky.
Please show me why in-flight ignition would have been tricky.
I think it was better to dump the oxidizer immediately when engine stalled.
23 Since the technical data about Me163 which the technical lieutenant colonel “Iwaya” brought Japan from Germany were too much scarce, there were some utterances which were doubtful of domestic production from the Kugisho persons concerned. “Wada”, head of the Kugisho pressed down the utterance and opted for development of "Shusui."
Since technical data were insufficient, Mitsubishi showed unwillingness to the order of the Shusui design, but “Wada” demanded to "Koshino" (member of the science part of Kugisho) to compensate shortage of technical data, and the "Koshino" took over it.
Thereby, Mitsubishi received reluctantly the order of development of "Shusui" of the severe schedule.
The code of the Japanese army and navy were altogether decoded by the United States.
Even when the Coral Sea naval battle and the Midway naval battle......
Submarine I 29 received the ambush attack of the U.S. submarine.
During her seventh war patrol, Sawfish joined Rock (SS-274) and Tilefish (SS-307) for wolfpack operations. The submarines sortied from Majuro on 22 June and headed for the Philippines. On 18 July, she damaged a tanker and, on 26 July, fired a spread of four torpedoes at surfaced Japanese submarine,I-29, which exploded and sank.
Captain Takakazu Kinashi of I-29 submarine telegraphed their return sailing schedule by secret code to the Naval Genaral Staff. 
Addition :
A spread of six Type 95 torpedoes were fired at carrier Wasp at about 14:44 15/9/1942 from the tubes of the B1 Type Japanese submarine I-19 , which captain was Takakazu Kinashi. Wasp sank.
Three hit the WASP among six discharged torpedoes.
One torpedo hit battleship North Carolina which was cruising 10-km beyond, and it carried out North Carolina serious damage.
Repair took six months.
Moreover, one torpedo hit destroyer O'Brien and O'Brien sank one month afterward.
![first flight[1].jpg](/data/attachments/81/81898-711d197daddc398d4adbbbbe3478662b.jpg)
