General Requirements: Send all manuscripts with covering letter to Wang Zhenhua, Director, Editorial Departmemt, JOURNAL OF AEROSPACE POWER, 37 Xue Yuan Road, Beijing 100083, China. The covering letter should include the author's full name, institution or company affiliation, official title and address. For a Japanese author, it is preferable to write his name in Japanese with Chinese characters too. Signed assurance must be given that the manuscript or its equivalent has not been submitted for publication elsewhere.