March 2022

Features

T+50

By Paul Marks

NASA rethinks its Mars strategy

By Leonard David

Departments

AIAA Bulletin

March 2022 AIAA Bulletin

Flight Path

Accelerate Your Learning at the Speed of Innovation

By Dan Dumbacher

R & D

Test time for drone traffic management

By Aaron Karp

Jahniverse

Space traffic pros need to know what the traffic looks like

By Moriba Jah

Opinion

Wake-up call: You’re more vulnerable than you realize

Engineering Notebook

Creating alternatives to rare earth alloys

By Keith Button

Q & A

Hydrogen evangelist

By Cat Hofacker

AeroPuzzler

Steering with wind versus sunlight

Letters to the Editor

Unclear environmental impact of space launches

Editor's Notebook

The value of failing now and then

By Ben Iannotta