This is by rosecatt.
The US Navy, in it’s ongoing Dolphin Project has determined that one of the most talented dolphins, named “Harry” is quite deaf. He has lately been unable to use his sonar skills to full advantage, yet he is highly trained and an asset to the program. They don’t want to lose Harry. A clever scientest has fitted Harry with a special hearing aid, and it has done wonders for … Raising Harry’s Sonar.