Until the new CH-53K King Stallion fills US Marine Corps heavy-lift helicopter squadrons, today's CH-53E Super Stallion will remain a strategic asset to move and sustain US expeditionary forces. King Stallion full-rate production starts in 2020, and full operational capability is not expected until 2028. Hard-flown Echo-model Super Stallions consequently won't retire or "sundown" until 2029 or 2030.
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机译：在新的CH-53K超级种马（King Stallion）装满美国海军陆战队重型直升机中队之前，今天的CH-53E超级种马将仍然是转移和维持美国远征军的战略资产。 King Stallion的全速生产将于2020年开始，预计要到2028年才能全面投入生产。因此，硬流水的Echo型超级种马要到2029年或2030年才能退休或“下山”。
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