kamikazze
When i click button Kamikazze all fighters did it . In original kamikaze can do only units with small amount of health. It shouldn take action only for this unit.
If you select all fighters at once then they will all follow the command you give them. There is no real reason a full health fighter can't kamikaze so this is yet another improvement on the original. If you don't want all fighters to kamikaze, don't tell all fighters to kamikaze! :)
If you selected all fighters, you can CTRL|SHIFT|ALT + click on its icon in the middle panel to change the selection (can't remember which combination does what). That way, given all fighters, you can filter out the healthy ones and issue command to the damaged ones.
Otherwise, I might add a small menu to kamikaze (send all, send most damaged, send 75%+ damaged).