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This dashboard page (internal name aa415d6e1d77873639de, display name 1 A 5 JUNIO) covers the five critical days immediately before the Normandy landings. Backed by adi_master_1_5_junio.csv and the adi_master_1_5_junio table in the semantic model, it documents the Allied air campaign launched between June 1 and June 5, 1944, whose strategic objective was to sever German supply and reinforcement lines by systematically destroying transport infrastructure throughout northern France. The page renders at 1280×720 in Fit to Page display mode.

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Historical Context

In the days leading up to June 6, Allied strategic air forces — including the RAF Bomber Command, the US 8th Air Force, and the US 9th Air Force — shifted decisively from deep strategic bombing of German industrial capacity to tactical “transportation plan” attacks concentrated on northern France. The core logic: destroy every bridge over the Seine and Loire rivers, neutralise rail marshalling yards, and crater road junctions to create a hermetically isolated zone around the Normandy landing beaches. German armoured divisions, denied timely rail and road movement, would be unable to reinforce the coastal defenders before the beachhead could be consolidated. This view captures that concentrated five-day effort in its entirety, providing A.D.I. analysts with a spatially precise record of which transport nodes were struck, how many missions each attracted, and what ordnance loads were delivered.

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What the Data Shows

The adi_master_1_5_junio dataset reveals a pattern distinct from the 1943–1944 strategic panorama:
  • Inland transport nodes dominate — The mission distribution shifts away from the Normandy coastline and toward interior river crossings, rail marshalling yards, and road junctions. Bridges over the Seine and Loire appear as dense clusters of mission points, visually distinguishable from the more dispersed strategic-bombing footprint of the preceding year.
  • Cities as choke points — Caen and Saint-Lô appear prominently not as area-bombing targets but as transport nexuses: road and rail corridors converging on these cities made them unavoidable targets for any operation designed to freeze German ground movement.
  • Mission density spike — The five-day window shows a sharp increase in recorded mission density relative to equivalent five-day periods earlier in the campaign. Analysts should note that this spike is partly attributable to improved Allied record-keeping during the meticulously planned pre-invasion period — a documentation-quality bias discussed in the Data Governance section of the project — rather than purely reflecting a physical increase in operations.

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Archaeological Implications

Transport Node Archaeology

Bridge abutments, rail yard debris fields, and destroyed signal infrastructure along the Seine and Loire corridors represent the highest density of buried structural remains outside the Normandy beaches themselves. Bombed bridge sites preserve compressed concrete rubble, steel girder fragments, and in some cases vehicle wreckage displaced into river banks. These sites are strong candidates for non-invasive survey (LiDAR, ground-penetrating radar) before any invasive excavation is planned.

UXO Risk Zones

The transportation plan relied heavily on medium bombers — B-26 Marauders and A-20 Havocs — which typically delivered mixed loads of high-explosive and high-fragmentation ordnance against rail infrastructure. The fragmentation tonnage fields in adi_master_1_5_junio identify specific target coordinates at elevated unexploded ordnance (UXO) risk. Any field team operating in corridors that show high frag-tonnage concentrations must coordinate with French national UXO clearance authorities (Département du Déminage) before conducting ground survey.

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Data Filters for this View

The adi_master_1_5_junio table is pre-scoped to June 1–5, 1944 by its source dataset. Within that window, the following interactive slicers are available on the dashboard page:
  • Aircraft Series — Isolate medium-bomber types (e.g., B-26) from heavy bombers (B-17, B-24) to understand the ordnance-profile implications for each target type.
  • Target City — Focus the map and charts on a single settlement to retrieve its complete five-day mission record.
  • Target Type — Filter between bridge targets, rail yards, marshalling yards, and other infrastructure categories to build transport-type-specific prospection lists.
Cross-referencing this view with the 1943–1944 panorama reveals which cities were targeted consistently across the whole campaign versus which were newly added to the target list during the invasion run-up. Cities appearing for the first time in the June 1–5 window — absent from the 1943–1944 panorama — are likely sites of hastily constructed field fortifications, emergency ammunition dumps, or improvised command posts built in the final weeks before the anticipated Allied assault.

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