12K views · 394 reactions | Want to make those shuttle runs as...

Get to know your fitness fundamentals to pass the Army Pre-entry Fitness Assessment. You’ll need to achieve a beep test score of 7.5 or higher. Here are some tips and tricks to help you nail your score. Remember, if you don’t complete each shuttle run properly, it won’t count. For more information visit: https://bit.ly/3ohFBGn | ADF Careers

A rocket engine test is a key step to check if a rocket engine works well, is reliable, and safe. Tests happen in special facilities that can handle extreme heat, high-pressure exhaust, and dangerous fuels. The engine is fired on a test stand to measure things like thrust, fuel use, combustion stability, and how long the engine lasts under conditions like a real space launch. Tests differ based on the engine type—liquid, solid, or hybrid. For liquid engines, cold fuels like liquid hydrogen and o