1.3M views · 22K reactions | Dr. Mark J. Lewis, former Air Force Chief Scientist, gave us an in-depth look into how the United States Air Force is developing hypersonic technology.  https://go.usa.gov/xFrb2 | Airman Magazine | Facebook

1.4M views · 3.2K reactions | The quest to develop new and more effective weapons probably began when the first caveman picked up a club. For millennia, humans have been devoting insane amounts of time and money to inventing new killing machines. Some of these projects were so weird they look like bad sci-fi parodies in retrospect. Often, they were as costly as they were pointless. Here are 10 extreme examples: | Sunday Roast | Facebook

42K views · 47 reactions | What is a Spartan? -Lightweight...

97 reactions · 20 comments | With the introduction of the all-new iPhone 13, we present our completely new line of cases. This is our most durable and diverse collection of rugged protection for the most advanced iPhone ever. Designed with added focus on durability and end-user convenience, we are certain we'll have a new case option to fit your individual style and needs. Check out urbanarmorgear.com for all of the info! | Urban Armor Gear | Facebook