  We develop a theoretical framework for calculation of high $Q^2$ exclusive
electro-disintegration of A=3 systems. The main result of this work is the
calculation of the final state interaction of the struck energetic nucleon with
recoil nucleons within the generalized eikonal approximation (GEA) which allows
us to account for the finite and relatively large momenta of the bound nucleons
in the nucleus. The important advantage of this approach is the possibility to
study in a self-consistent way the short range correlations in nuclei. This is
due to the fact that GEA does not require a stationary condition for recoil
nucleons as conventional Glauber approximation does. As a result GEA treats
explicitly the Fermi motion of recoil nucleons in the nucleus.
