The Bell OH-58D Kiowa Warrior was the U.S. Army's armed scout helicopter from 1985 to 2017. Its specs explained, weapons, combat record and retirement.
The Boeing Vertol CH-46 Sea Knight was the tandem-rotor Phrog that carried Marines from Vietnam to Iraq. See its history, variants, specs and retirement.
The MH-65 Dolphin is the U.S. Coast Guard's twin-engine rescue helicopter, a Dauphin with a Fenestron tail rotor. Variants, specs, crew and mission explained.
The OH-6 helicopter, Hughes' Cayuse or "Loach," was the Army's Vietnam scout. See how it won the LOH contest, set 23 records and became the Little Bird.
The Kamov Ka-52 Alligator is Russia's two-seat coaxial attack helicopter. See how it was built, how it fights, who flies it and what Ukraine has cost it.
The Mil Mi-26 Halo is the largest helicopter ever built in series. See what it lifts, who flies it, how it compares with the Chinook and where it stands.
The CH-53K King Stallion lifts 36,000 lb on its center hook with three 7,500 shp engines. Its cost, problems, first deployment and how it compares to the Chinook.
The MH-53E Sea Dragon is the Navy's three-engine mine countermeasures helicopter. How it tows sleds, how it differs from the CH-53E, and when it retires.
The MH-60R Seahawk helicopter is the US Navy's submarine hunter. Specs, its $34M flyaway cost, sensors and weapons, and how it differs from the Black Hawk.
The Sikorsky S-61R was developed as a military search-and-rescue helicopter derived from the S-61 family. Introduced in the early 1960s, it featured significant structural changes compared with naval variants. The aircraft served extensively in combat recovery and overwater operations.
