Oh yeah in case you didn't notice, those are freaking tanks on sling load!
Russian Attack Helicopter (anti-tank warfare missions but has secondary air-to-air capability as well) .
US Army Bell OH-58D Kiowa Warrior
NHI Hkp14B (NH-90 TTH) of the Flygvapnet (Swedish Air Force)
U.S. Army helicopters providing support for U.S. ground troops fly into a staging area fifty miles northeast of Saigon, Vietnam in January of 1966.
Flagella: The propellers of a helicopter are a lot like flagella. Propellers push the helicopter through the air like a flagella helps propel the cell through whatever it is living in.
Bell 407 Police Chopper by strobist
High-speed-chase in progress, lol ! PH-PXF Eurocopter EC135 KLPD landing at sunset @ EHAM Schiphol by nustyR AirTeamImages