  I propose a new type of common envelope jets supernova (CEJSN) events where
instead of a single neutron star (NS; or a black hole; BH) a tight binary
system of a NS and a main sequence star enters a common envelope evolution
(CEE) with a red supergiant. The NS and the main sequence star of the tight
binary system merge inside the red supergiant envelope and enter a CEE of their
own. The NS accretes some mass through an accretion disk and launches jets that
explodes the main sequence star. I estimate that the two jets that the NS
launches at this phase carry an energy of ~10^{52} erg, about the same order of
magnitude as the energy that the jets will carry when the NS or its BH remnant
will enter the core in a later phase. For that, I term the entire event a
double CEJSN. The outcome of the double CEJSN is a very long, months to years,
and very energetic event, a total energy of ~10^{52} - 10^{53} erg, that will
be observationally classified as a peculiar super-energetic event. I crudely
estimate that new transient surveys should detect about one CEJSN event from a
triple star system per year.
