Send the following on WhatsApp
Continue to ChatL-3 to Build CH-47F Operational Flight Trainer https://www.defencetalk.com/l-3-to-build-ch-47f-operational-flight-trainer-20165/
L-3 to Build CH-47F Operational Flight Trainer https://www.defencetalk.com/l-3-to-build-ch-47f-operational-flight-trainer-20165/