1944 Jan

1944 Jan

General Leslie Groves and J. Robert Oppenheimer decide to plan for a fission bomb test (none was envisioned before this). Groves stipulates that the active material must be recoverable if a fizzle occurs, so the construction of Jumbo, a 214 ton steel container (25 ft x 12 ft), is authorized.

Date Range: 
1944CE Jan