The H-1 upgrade program is the United States Marine Corps 's program to develop the AH-1Z Viper and UH-1Y Venom military helicopters to replace its aging fleets of AH-1W SuperCobras …

The Bell UH-1 Iroquois (nicknamed "Huey") is a utility military helicopter designed and produced by the American aerospace company Bell Helicopter. It is the first member of the prolific Huey …

The Bell UH-1Y Venom [3] (also called Super Huey) [4] is a twin-engine, 4-blade, medium-sized utility helicopter built by Bell Helicopter under the H-1 upgrade program of the United States …

2024年3月28日 · With SIEPU, H-1s will be able to upgrade to current weapons systems with next generation capabilities, including kinetic long-range munitions and air launched effects as well …

Perform under punishing conditions. The Bell UH-1Y combines combat-proven power with dependable components—arming you for the toughest missions. Don't let distance stand in …

The Bell AH-1Z is the only attack helicopter in the world with fully-integrated air-to-air missile capability—giving you an airborne edge. Make your strikes more lethal, and your missions …

2024年3月31日 · With SIEPU, H-1s will be able to upgrade to current weapons systems with next generation capabilities, including kinetic long-range munitions and air launched effects as well …

贝尔直升机德事隆（Bell Helicopter Textron）是一家美国直升机和倾转旋翼机制造商，总部位于德克萨斯 福沃斯（Fort Worth）。 贝尔直升机前身为 贝尔飞行器公司 ，屬於 德事隆 …

2024年3月28日 · The first US Marine Corps Bell AH-1Z Viper helicopter to receive the Structural Improvement Electrical Power Upgrade (SIEPU) arrived at Bell Amarillo Assembly Center

FORT WORTH, Texas (June 28, 2023) – The current H-1 fleet of AH-1Z Vipers and UH-1Y Venoms reached a major flight milestone by surpassing the 500,000-flight hour mark.