3D Model: A B61 Nuclear Bomb, A Large, Medium-slender, Light Gray Bomb With A Black, Pointed Tip, Rests On A Gray Metal Carriage. The Bomb Is Long And Cylindrical With A Slightly Pointed Black Nose And Tail. Various Markings And Numbers Appear On The Bomb's Surface, Indicating Its Technical Specifications. The Carriage Contains Several Support Structures, Wheels, And Mounting Hardware. The Background Is A Pale Dark Blue. The Bomb Is Positioned In The Center Of The Image. The Lighting Is Even, Casting No Significant Shadows. The Overall Tone Is Neutral And Technical, Focusing On The Bomb Structure And The Support Carriage. The Perspective Is Slightly Oblique, As The Bomb Is Viewed From A Mid-level Angle. Important Details Include The Bomb's Markings, The Carriage's Design, And The Plain Background.