May 2018

Features

Quake casting

By Adam Hadhazy

The dreamers

Grading the MQ-25

By Jan Tegler

Departments

AIAA Bulletin

May 2018 AIAA Bulletin

Flight Path

AIAA’s Next Era of Innovation and Exploration

By John Langford

Trajectories

Systems engineer sees projects from design through flight tests

By Debra Werner

Editor's Notebook

MQ-25’s most fundamental requirement

By Ben Iannotta

Letters to the Editor

Sustaining complex aerospace systems

Q & A

Rotorcraft modernizer

By Keith Button

Letters to the Editor

Flying through extreme cold

Opinion

Personal aircraft: Why the revolution won’t happen

Engineering Notebook

Increasing engine efficiency

By Keith Button