Ospreys Replace Last Marine Squadron of Sea Knight 'Phrogs'

MV-22 Ospreys replaced the Marines' last squadron of CH-46E helicopters Thursday, officially ending the Sea Knight's 50-year run as the troop and supply transport workhorse of the Corps. Marine Medium Helicopter Squadron 164 received the first Sea Knights assigned to the West Coast in early 1965 and introduced the medium-lift helicopter to combat in Vietnam in 1966. Parts of the squadron also flew missions in the evacuation of Saigon, making it the first in and last out of the Southeast Asian co

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