White blood cells are produced in the bone marrow. They are released into the bloodstream and travel wherever they are needed. Low levels of neutrophils occur when the bone marrow cannot replace them as fast as needed. In babies, the most common cause is infection. A very severe infection may cause neutrophils to be used up quickly. It may also prevent the bone marrow from producing more neutrophils. Sometimes, an infant who is not sick will have a low neutrophil count for no obvious reason.
The Mikoyan MiG-29 (Russian: Ð¼Ð¸ÐºÐ¾ÑÐ½ Ð¼Ð¸Ð³-29; NATO reporting name: Fulcrum) is a fourth-generation jet fighter aircraft designed in the Soviet Union.
Red Eagles: America's Secret MiGs. Peck discusses the need for a MiG training program, how the secret MiG base was created at Tonopah, Nevada, in record time; who restored and flew the MiGs; and the challenges faced by the program. The photos in the book are OK; a few show the typical rough construction of the various MiGs, especially the Flogger.