Dome May 2026

: The system is designed to be a "system of systems," incorporating ground-based interceptors, ship-borne defenses, and space-based interceptors [18, 19].

: Domes have been constructed from varied materials throughout history, including mud, snow (igloos), stone, brick, concrete, glass, and plastic [13].

: In April 2026, the U.S. Space Force awarded contracts to 12 companies —including SpaceX, Lockheed Martin, and Northrop Grumman—to begin work on space-based interceptors [18, 20]. 3. Geology : The system is designed to be a

: It aims to protect the U.S. homeland against hypersonic, ballistic, and cruise missiles , as well as next-generation aerial weapons [1, 29].

: These are formed specifically when thick lava hardens directly over a volcanic vent [10]. Space Force awarded contracts to 12 companies —including

: It is a hollow half of a sphere [10]. Traditional masonry domes require heavy supporting walls or pendentives—inverted triangular masonry—to transition from a square base to a circular dome [12, 13].

: Modern dome technology can be an eco-friendly option, as the double-curved shape uses less material to enclose more volume than conventional buildings [11]. 2. Golden Dome for America (Missile Defense) homeland against hypersonic

: President Trump has stated the goal for the system to be "fully operational" within his term, with an estimated initial cost of $175 billion [2, 25]. However, critics and analysts estimate the long-term cost could reach $844 billion to $1.1 trillion [16].