 
                        
                            
                                AI-created image
                            
                        
                    Statements (22)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:nuclear_test | 
| gptkbp:countryOfOrigin | gptkb:United_States | 
| gptkbp:deployment | gptkb:Strategic_bomber | 
| gptkbp:designer | implosion-type | 
| gptkbp:diameter | 61 inches | 
| gptkbp:endDate | 1953 | 
| gptkbp:enteredService | 1949 | 
| gptkbp:filling | plutonium | 
| gptkbp:length | 128 inches | 
| gptkbp:notableFeature | first mass-produced US nuclear bomb used improved design for easier assembly | 
| gptkbp:numberBuilt | 550 | 
| gptkbp:predecessor | gptkb:Fat_Man | 
| gptkbp:successor | gptkb:Mark_6_nuclear_bomb | 
| gptkbp:usedBy | gptkb:United_States_Air_Force gptkb:United_States_Navy | 
| gptkbp:usedIn | gptkb:Cold_War | 
| gptkbp:weight | approximately 10,800 pounds | 
| gptkbp:yield | 1 to 31 kilotons | 
| gptkbp:bfsParent | gptkb:Mark_3_nuclear_bomb | 
| gptkbp:bfsLayer | 4 | 
| https://www.w3.org/2000/01/rdf-schema#label | Mark 4 nuclear bomb |