https://youtu.be/2KcDKdKxSBs?is=W651D7kCAKFGy2Jd https://www.google.com/search?q=on+a+767+can+thrust+reversers+be+deployed+before+all+the+wheels+are+firmly+on+the+ground%3F&ie=UTF-8&oe=UTF-8&hl=en-us&client=safari&iga=1&utm_campaign=safari_share_1