The Cold War at Home By gabbieeg Jun 24, 1948 Berlin Airlift begins Soviet's blackade wasn't successful, the U.S. and British would send materials and aid to the West and East of Berlin to by air to pass the blockade. Jan 30, 1950 Truman approves H-bomb development Apr 1, 1954 Vietnam War Armed conflict of communism between North Vietnam and it's southern allies.