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Several letters to the editor are presented in response to articles in previous issues including "A Wing and a Prayer" in the July 2009 issue, "Inside Business Aviation" in the July 13, 2009 issue, and the reason behind the interest in liquid oxygen/liquid methane propulsion for lunar missions in the July 13, 2009 issue.

Several letters to the editor are presented in response to articles in previous issues including topics on the hazards of airborne composite fibers and dust, the air-refueling tanker award of the U.S. Air Force, and the weakness of airline deregulation.

Presents several letters to the editor related to the commercial aviation industry and space technology. Remarks of the U.S. National Aeronautics and Space Administration's administrator Michael Griffin on the safety of space flights; Need for the repair of thermal protection system of space shuttles; Information on a study of the usage of idle airports.

Presents letters to the editor referencing articles and topics discussed in previous issues. "A Breath of Fast Air," which bridges the gap between the dumbed-down press and advanced fluid dynamics journals; Threats posed by the development of a kinetic-energy interceptor to counter intermediate- and long-range ballistic missiles; Issue related to the in-flight separation of the Airbus A300's engines.

The article presents several letters to the editor for the articles "Mining the Gap" by Sharon Weinberger in the December (Dec.) 24, 2012 issue concerning the extraction and manipulation of data from social media, "Bring the Mountain..." by Frank Morring Jr. in the Dec. 17 issue on difficulties the U.S. National Aeronautics and Space Agency is facing, and a complaint concerning an advertisement in the Dec. 17 issue.

Letters to the editor are presented in response to articles in previous issues including "How to Nip 'New Space' in the Bud" in the May 29, 2012 issue on human space flight, the item "Sense of Disproportion" in the Washington Outlook section of the May 28, 2012 issue on the U.S. National Guard, and on the company Space Exploration Technologies (SpaceX).

Letters to the editor are presented in response to articles in previous issues including "Hidden Benefits," an article on the Boeing 787 airplane in the October 3, 2011 issue, "Test Case," an article on bombs in the September 19, 2011 issue, and "NextGen Umbrella," an article on U.S. air traffic control in the October 10, 2011 issue.

A letter to the editor is presented on research on the effects of volcanic ash on aeronautics safety conducted by the U.S. National Aeronautics & Space Administration (NASA).

A letter to the editor is presented about the need for a sufficient time to safely prepare flights.

A collection of letters addressed to the editor published in the August 25, 2003 issue of the magazine "Aviation Week & Space Technology," comprises this article. U.S.-based Institute of Electrical and Electronic Engineers has been bringing another concern to its membership: the excessive immigration of engineers from overseas via H-1B visas, under immigration laws passed by the U.S. Congress in response to lobbying from aerospace chief executive officers. Visas have been issued not to alleviate a shortage of American engineers as is being claimed, but to obtain a cheaper engineering workforce. In the highly regulated commercial/civil segment of aerospace, U.S. Federal Aviation Authority leadership has abrogated its responsibility. It is effectively tasked only with perpetuating and protecting the image of a safe mode of transportation.