Army Aviation Heritage Foundation
http://www.armyav.org/
North West Air Ambulance
http://www.nwaa.net/
Aerobility
http://www.aerobility.com/
129th Assault Helicopter Company
http://www.129th.net
Help For Heroes http://www.helpforheroes.org.uk
Flypast Magazine
http://www.flypast.co.uk
The United States Army
http://www.army.mil
Limehouse Lizzy
www.limehouselizzy.co.uk
United States Army Aviation Museum
http://www.armyaviationmuseum.org/
Casper Aviation Platoon
http://www.casperplatoon.com
The DUSTOFF Association
http://www.dustoff.org
The Vietnam Veterans Memorial Fund
http://www.vvmf.org
Army Aviation Flight School
http://www.armyflightschool.org
Vietnam Helicopter Crew Members Association
http://www.vhcma.org
Bell Helicopter
http://www.bellhelicopter.com/
The Civil Aviation Authority
2/327th INF 101st Airbourne
www.101st-noslack-327th.co.uk