Pontoon bridge unprecedented 730-meter, fortified pontoon bridge across the Scheldt river at the Siege of Antwerp in 1584 to close off water access to the city. In the battle of Saraighat in 1671, the Ahoms spanned the river Brahmaputra at Saraighat over an improviso bridge of boats. In the 1670s, the French devised the copper pontoon; after this point, rivers and canals ceased to present significant obstacles. The early modern period in pontoon use was dominated by the wars of the 18th and 19th centuries during which the art and science of pontoon bridging barely changed. This however did not stop all
Navy lighterage pontoon wedge pins. The flotation blocks came in two types: The principal type of unit was a rectangular prism; the majority of NLPs were constructed using these. The second type was similar but curved upward on one side, and these boxes were used to make bows on the front of NLP barges when required. Navy lighterage pontoon The Navy Lighterage pontoon (NLP) was a type of pontoon developed in World War II by the US Navy and used by naval construction teams (Seabees) and specialized US Army combat engineers, on invasion beaches and shallow harbors or harbors where the facilities had