General outline of Operation Neptune section 17 to 22.

Operation Neptune, naval orders including swept chanels and routing covering details of approach channels, established routes, routes for assault forces, D-Day between H Hour and Sunset, diagram of swept channels situation at Nightfall D-Day; Navigation and Metorological information covering tidal and astronomical data, distance tables; assumption of responsibility by authorities ashore and opening at captured ports, Mickey Mouse Diagrams showing the convoys before and after H hour of D-Day, Operation Pluto (a number of ships and craft which provided the supply of petrol for the Expeditionary force) including Tombola and Amethea and Glossery of Terms.

Administrative / biographical background
H Hour was assumed during the planning stage to be 0600.