3G: U.S. Navy – Lockheed EC-121 and Lockheed EC-121 [Airigami X by RobertCojan]
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U.S. Navy Airigami X by RobertCojan (MD) 1952 c/s Lockheed L-1049 Lockheed L-1049
Ec-121 is modified L-1049 for us air force modification include antena on the top and bottom of plane and this plane is one of first airborne early warning plane