⧫ Defense Infrastructure

Ċold Ŵar 

Ċold Ŵar 2 in Space ..

Defense Industry

Lockheed Martin ..

Shipbuilding Industry ..

Defense Infrastructure

Acoustic Locators & Sound Mirrors ..

Berlin Wall, Walls, Political Divisions ↠

Budgets (Military) ..

Chip Wars ..

Expensive F-35 Development (21st) .. 

Global Perspective on AI ..

Global Transportation System - US Military ..

SAM - Surface-to-Air Missile Defense (S-500) ..

Semiconductor Tensions, Telecommunication Networks ↠

Shipbuilding Industry ..

Submarine (3D) - WW2 ↠

Geostrategic Projection

European Geostrategic Projection ..

Submarine (3D) - WW2 ↠

Weaponry 

6th Generation - Fighters, Drones ..

Military Adaptations ↠ 

Shipbuilding Industry ..

Submarine (3D) - WW2 ↠

⧫ Propulsion, Engines

Aircraft Engines 

6th Generation - Fighters, Drones ..

Propulsion

Diesel vs Nuclear .. 

Submarine (3D) [Diesel, Electric] - WW2 ↠

Railways, Canals
Boilers - Naval, Marine, Locomotive ↠
Extreme Railways ↠

India's Railway System ..

Privatization ..
Public Transit ↠

Railroad Network Size - 21st ↠
Restoration 1912 Railway Carriage ↠
Standedge Tunnels ↠
TEE - Trans Europe Express ↠
Track Ballast ↠
Trains - Hx ↠

1939 WW2 jump

.Polish-German War - WW2 - 001 - September 1, 1939 > .

1939 WW2 - SuHo >> .

1941 WW2 jump

.

It's 1941 - A World at War - WW2 - 071 - January 4 1941 > .

Siege of Leningrad | History of WW2 (subs) - Katz > .

1941 WW2 - SuHo >> .

1942 WW2 jump

.Formation of the United Nations! - WW2 - 123 - January 2, 1942 > .

1942 WW2 - SuHo >> .