It's on the Japanese Wikipedia page, for as much help as that is. The references linked are pretty old and in Japanese, so it's unlikely that there's an easy to find translation or otherwise for that incident.
Sensei! You ain't swimmin' at all!Can you actually swim at all?Of course I can!
Just you watch!In order!
Order!'sit okay for ships to go swimmin'?Because then you'll understand at the end how swimming ability is a matter of life-and-death!My skin is going to get all burnt...Sensei!
You're only watching Ushio!Favouritism! Oooh!
The heck's this then!?Even if I learn... If I ride this there, I should be able to take it back all the way to the bath...That's a development-banned thing there!!Woah! That's anold-school
swiming style!!Swimming so that the bangs get an impervious defence against getting soaked!It would have been nice to have a cuter swimsuit...ABUHang on, that's a sea mine!!Okay!
We're going to be doing swimming practice today!
Damn straight!Abuu.... You're going to super stand out to the enemy...Sensei! I'm tired!You need to be able to swim without your equipment attached.That's Abukuma-sensei for you!*I-go 1-B Wireless Guided Missile (Pervbomb)
During the Kawasaki I-go 1-B Air-to-surface Missile's testing, one went off course and impacted in an Atami women's bath, killing 4 women - so it was nicknamed the /erobakudan/ 'Perverted Bomb'.