EAA on Twitter: "When the Bell P-39 Airacobra was introduced in 1941, it made history as the first fighter aircraft with tricycle landing gear. This P-39F now resides at the Military Aviation
P-39 Airacobra - VINH QUANG RC MODELS
Scalehobbyist.com: Bell P-39 D/F/K Airacobra by RS Models
P-39D Airacobra Review by Ian Robertson (Special Hobby 1/32)