  Minimal supersymmetric SU(5) GUTs are being squeezed by the recent values of
alpha_s, sin^2 theta_W, the lower limit on the lifetime for p to nubar K decay,
and other experimental data. We show how the minimal flipped SU(5) GUT survives
these perils, accommodating the experimental values of alpha_s and sin^2
theta_W and other constraints, while yielding a p to e/mu+ pi0 lifetime beyond
the present experimental limit but potentially accessible to a further round of
experiments. We exemplify our analysis using a set of benchmark supersymmetric
scenarios proposed recently in a constrained MSSM framework.
