, Aspiring pilot, Alaskan. 1  Well, if you want to be a USAF drone pilot, the process is 5+ years, and relatively difficult, the most difficult section being the flight training itself. Manned flight school has a ~30% washout rate, so I assume the drone program is similar.
A bottle of Omniscan contrast agent. MRI contrast agents are a group of contrast media used to improve the visibility of internal body structures in magnetic resonance imaging (MRI). The most commonly used compounds for contrast enhancement are gadolinium-based.
Iodine-containing contrast medium (ICCM), sometimes called contrast or contrast medium, is a chemical substance used in medical X-ray imaging. When injected into the body, ICCM shows what is happening inside the hollow parts of the body (like blood vessels, the stomach, bowel or even the fluid around the spinal cord) on X-ray images or pictures.