NASA used two SR-71 Blackbirds to test high-speed and high-altitude flying. The U.S. Air Force loaned them to NASA. The Blackbirds can fly more than 2,200 miles per hour and up to 85,000 feet high.This highlighted word he didn't know at all.
These highlighted words he needed reminding how to sound out.
Good start to my day! Renews my faith I'm doing okay.
Thanks for dropping by