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A primary goal of the Inertial Confinement Fusion (ICF) Program on the National Ignition Facility (NIF) is to implode a low-Z capsule filled with 0.2 mg of deuterium-tritium (DT) fuel with ＞370 km/s velocity via laser indirect drive ICF and demonstrate fusion ignition and propagating thermonuclear burn with net fusion energy gain (fusion energy/laser energy ＞1).This requires assembling the DT fuel at implosion stagnation into a dense～1000 g/cc shell with an areal density of 1.5 g/cm2 surrounding a lower density hot spot with～10 keV temperature and～0.3 g/cm2 areal density.