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Various models of the Mark 6 were roughly 25% lighter than either the Mark 4 or Fat Man, and weighed 7,600 to 8,500 pounds (3,400–3,900 kg). Early models of the Mark 6 used the same 32-point implosion system design concept as the earlier Mark 4 and Mark 3; the Mark 6 Mod 2 and later used a different, 60-point implosion system.
TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion.The ton of TNT is a unit of energy defined by convention to be 4.184 gigajoules (1 gigacalorie), [1] which is the approximate energy released in the detonation of a metric ton (1,000 kilograms) of TNT.
The Mark 4 nuclear bomb was an American implosion-type nuclear bomb based on the earlier Mark 3 Fat Man design, used in the Trinity test and the bombing of Nagasaki.With the Mark 3 needing each individual component to be hand-assembled by only highly trained technicians under closely controlled conditions, the purpose of the Mark 4 was to produce an atomic weapon as a practical piece of ordnance.
Harbour ton, used in South Africa in the 20th century, was equivalent to (2,000 pounds (907 kg)) or 1 short ton. Assay ton (abbreviation 'AT') is not a unit of measurement but a standard quantity used in assaying ores of precious metals. A short assay ton is approximately 29.17 g (1.029 oz) and a long assay ton is approximately 32.67 g (1.152 oz).
The B53 was 12 feet 4 inches (3.76 m) long with a diameter of 50 inches (4.17 ft; 1.27 m). It weighed 8,850 pounds (4,010 kg), including the W53 warhead, the 800-to-900 lb (360-to-410 kg) parachute system and the honeycomb aluminum nose cone to enable the bomb to survive laydown delivery.
The U.S. in May paused a shipment of 2,000-pound and 500-pound bombs due to concern over the impact they could have in Gaza during the war that began with Hamas' deadly Oct. 7 cross-border raid ...
Click-N-Ship is a service offered by the United States Postal Service that allows customers to create pre-paid Priority Mail shipping labels on ordinary printer paper. [1] [a] The labels include delivery confirmation numbers to track date and time of delivery or attempted delivery. [2]
Feb. 16—Question : Is the U.S. Postal Service discontinuing the use of flat-rate boxes ? I can't find them anywhere. I've looked at the Ala Moana Post Office for the past three weeks, and they ...