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April 2017

Features

Disaggregation

Reprieve

Artificial gravity’s attraction

Departments

Editor's Notebook

Measure twice, cut once 
on space matters

By Ben Iannotta

Letters to the Editor

NASA’s role in
 “Defending Earth”

Trending

Envisioning “designer aerospace materials”

By Keith Button

Q & A

Earth-observer in chief

By Ben Iannotta

Engineering Notebook

Blackout busters

By Keith Button

Opinion

Fly when it’s safe

By Tom Jones

Trajectories

Don Mahr, Orion Jettison Motor Program Manager

By Debra Werner

From the Corner Office

Building Our Future

By Sandy Magnus

Bulletin

April 2017 AIAA Bulletin