Johns Hopkins Applied Physics Laboratory
75th APL Anniversary


75th anniversary celebration in the Kossiakoff Center

Thousands Celebrate the 75th Anniversary of Johns Hopkins APL
Thousands of staff members and guests packed the APL Kossiakoff Conference and Education Center on Friday, March 10, to take part in events marking — to the day — the 75th anniversary of Johns Hopkins APL’s founding.
Learn More »

APL Director Ralph Semmel accepts a WTCI award

APL Director Semmel Receives Maryland International Business Leadership Award
APL Director Ralph Semmel has received a Maryland International Business Leadership Award from the World Trade Center Institute for his guidance of an organization that “defines and celebrates vision, international success and excellence in leadership.”
Learn More »

SM-3 Block IIA guided missile test

Researchers Directly Observe Concepts in Human Brain
In the March issue of NeuroImage, researchers from APL and the Johns Hopkins School of Medicine report finding that semantic information can be inferred from brain responses with very high fidelity when patients name pictures of objects.
Learn More »

SM-3 Block IIA guided missile test

APL Plays Key Role as US, Japan Conduct First SM-3 Block IIA Intercept Test
Engineers from APL, in cooperation with the U.S. Missile Defense Agency, the Japan Ministry of Defense, and U.S. Navy sailors, played a key role in the first live-fire intercept using the new Standard Missile-3 (SM-3) Block IIA.
Learn More »


APL, Navy Demonstrate High-Speed, Autonomous Surface Patrol Capability
In September, an APL experiment, in collaboration with the Surface Targets Branch of the Naval Air Warfare Center Weapons Division, worked to advance the state of the art of collaborative, autonomous USV behaviors to higher speeds and larger numbers of vessels.
Learn More »


  • Air and Missile Defense

  • Civil Space

  • Cyber Operations

  • Homeland Protection

  • National Security Analysis

  • National Security Space

  • Precision Strike

  • Research and Exploratory Development

  • Sea Control

  • Special Operations

  • Strategic Deterrence