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According to the report, there is almost nothing on the US Navy ships that is more common than fluorescent lamps. They are almost omnipresent, including the deck, emitting a familiar, sometimes flickering white light. As a lighting fixture installed on each sailor's head, they can make a squeaking sound that is large enough to make it difficult for people to sleep. However, if the manufacturers of the new generation of light-emitting diode (LED) bulbs can do so, the classic fluorescent lamps will soon disappear, just like the telegraph tube and the telegraph machine in the engine room. Eric veteran Eric, the president of the energy focus company specializing in LED technology. Hilliard said: The Navy has demand, not only to save more energy, but also to understand LED. They have been using the very outdated technology T12 lighting ballast technology. They also have maintenance needs. The T12 fluorescent lamp is the most common model and is 1.5 inches in diameter. A ballast is a device that limits current in a fixed lighting device. The report said that the energy focus company found business opportunities. Hilliard said: From a company perspective, this is a good opportunity for a small business. When (market) is controlled by a large company, it is difficult to compete on a large scale. This is a niche market. Considering maritime safety, new LED products must be durable and simple. Hilliard explained: Our idea at the time was to take out the existing bulb and put it into the LED bulb. The ballast and starter of the lighting device will identify whether it is a fluorescent bulb or an LED bulb. We must follow the existing specifications. There was no such thing at the time. So we have to create this light bulb and make the Navy believe in its safety. Energy Focus began working with the Defense Advanced Research Projects Agency and the Naval Ocean Systems Command to develop LED lighting fixtures and light bulbs that meet the requirements of naval vessels. The company designs and manufactures four basic products: two-foot LED luminaires, bulbs of varying sizes that can be installed in busy areas such as cargo holds, ammunition depots and freight elevators, explosion-proof bulbs for munitions and gas turbines, and A bedside lamp with a USB interface and the like. The report said that the market demand is considerable. A typical Ali. The single, double and triple tube lighting of the Burke class destroyer requires 281 bedside lights, 201 large and 50 small bulbs, 19 explosion-proof bulbs and at least 3682 two-foot bulbs. The larger the ship, the more light bulbs are needed. For example, a cruiser requires about 6,000 two-foot fixtures. Barriers include the need to reinstall the fixtures that hold the bulbs and brackets, but the company has created a smart tubular two-foot bulb that can be placed into existing lighting fixtures. The report said that the price still needs to be discussed. The price of a T12 bulb in the Defense Logistics Agency procurement system is about $4. Each two-foot LED luminaire sold by the Energy Focus Company to the Defense Logistics Agency is priced at $145, plus a $13 shipping fee, which costs $158 per luminaire. However, the US Navy expects that for a destroyer with a service life of at least 35 years, the cost of installing LED lighting will be recovered within 10 years. The Naval Marine Systems Command wrote in a statement that additional benefits of reduced maintenance and replacement costs are expected. The Naval Marine Systems Command writes that reducing energy and fuel consumption and reducing maintenance and replacement costs are the main drivers of LED lighting. LED lamps have a lifespan that is about 5 to 10 times longer than fluorescent and incandescent lamps, and can save 50% to 80% of energy. Dave, Business Development Manager, Energy Focus. Bina said that since the first batch of devices was approved in September 2010, nearly 200 ships have installed at least some models of LED lighting devices and bulbs produced by Energy Focus. He said: We estimate that the life of LED bulbs on each ship is 10 years. The frequency of replacement may be several decades. The report said that the Naval Ocean Systems Command seemed to be very satisfied. The command stated in the statement that the LED lights installed on the (Preble and Chaffee destroyers) are fully compliant, including shock and vibration performance. The LED illuminators installed on these ships since 2011 have performed well and met all requirements. The first new ship designated to fully install LED lighting is Paul, which is being built at the Ingos Shipyard in Pascagoula, Miss. The destroyer Ignatius. The Naval Ocean Systems Command wrote that all of Ali will be in the future. The Burke-class destroyers will be equipped with LED lights. The captain of the Préble destroyer, Stephen, docked at Pearl Harbor. Shangyu said that improving LED lighting is not always easy. However, he wrote in an e-mail on August 25 that they were much brighter than fluorescent lights. LED illuminators also have a longer life, which helps save money, but more importantly, reduces the time it takes to manually replace a full ship luminaire.