Verification (Mostly) for High Energy Density Radiation Transport: Five Case Studies.- A General Strategy for Physics-Based Model Validation Illustrated with Earthquake Phenomenology, Atmospheric Radiative Transfer, and Computational Fluid Dynamics.- Spectral Solvers to Non-Conservative Transport for Non-Linear Interactive Systems of Boltzmann Type.- The Art of Analytical Benchmarking.- Implicit Monte Carlo Radiation Transport Simulations of Four Test Problems.- The Prompt Spectrum of a Radiating Sphere: Benchmark Solutions for Diffusion and Transport.- Some Verification Problems with Possible Transport Applications.- Canopy Reflectance Model Benchmarking: RAMI and the ROMC.- Uncertainty and Sensitivity Analysis for Models of Complex Systems.- A Brief Overview of the State-of-the-Practice and Current Challenges of Solution Verification.- Expert Panel Opinion and Global Sensitivity Analysis for Composite Indicators.- A Practical Global Sensitivity Analysis Methodology for Multi-Physics Applications.