Science, Exploration, and Security Missions

As spaceflight pioneers with six decades of experience, Johns Hopkins APL has designed, built, and operated and led more than 70 spacecraft missions — including some of NASA and the Department of Defenses most innovative and challenging missions over the past two decades.


Now in development, these game-changing missions are poised to reshape how we think about exploring worlds and phenomena across the solar system.


These missions, dispatched to destinations from the Sun to Pluto and beyond, are sending home data that are changing our views of the solar system — and beyond.


A sampling of the many completed APL missions that changed the paradigm of space science — and set the stage for today’s voyages of exploration across the solar system.