ISBN-13: 9780833038623 / Angielski / Miękka / 2006 / 112 str.
ISBN-13: 9780833038623 / Angielski / Miękka / 2006 / 112 str.
The aircraft in the U.S. Air Force are aging, and keeping them healthy and safe is lilkely to require attention to clear policies and regulations on sustaining the aircraft.