I didn't mean a literal kamikaze, I meant get as close as possible and arm the self destruct. Blow yourself up right next to the Langford's shields, that much naquadah exploding in such a close proximity has got to do something.

Anyways guys as far as your back up plan goes I don't think you are able to ring aboard the ships while the shields are up. There aren't many occurrences of using the rings to get aboard an enemy vessel during a fight but in Season 5 Revelations the shields output on Osiris' ship had to be altered manually to allow Anubis entry. SG-1 used this to get aboard themselves at the same time as Anubis. The Ori ship that Daniel ringed aboard was under heavy fire from the Korolev which would have altered the properties of the shield enough to allow rings through, this couldn't be repeated on a Goa'uld ship as the force the Korolev was required to exert on there shields would destroy an ordinary Goa'uld craft. The ship that Vala ringed to in order to stop the create of the Supergate didn't have shields.

Think about it, if Goa'uld were able to simple ring to enemy ships then why was it not common practice.