Even troops that reached Britain would face prepared positions under commanders such as Alan Brooke and Montgomery, backed by regulars, veterans, and the Home Guard. The intended landing areas included difficult terrain, flooding plans, pre-registered artillery, and coastal guns rather than an open continuation of a river crossing. German planning depended on taking London and ports quickly because the improvised lift could not maintain a prolonged campaign. Seizure, reinforcement, and supply all had to survive continuing British naval action.
Notable Point · 1:53:37-2:02:12
Landing was only the start of Sea Lion's logistics problem
Ports, terrain, coastal obstacles, artillery, and resupply made sustaining a German lodgement at least as difficult as reaching the beach.