Office of Naval Research (ONR)

Type of Content
Electromagnetic Railgun
Introduction For many years, the U.S. Navy has held a distinct technological advantage over its adversaries in the area of large conventional guns that use explosive energetic...
U.S. Navy Photo
Introduction Long-range, gun-launched, high-velocity and hypervelocity projectile (HVP) technologies are highly desired as potential cost-effective solutions for force protection...
H. G. Wells’ A Martian-Fighting  Machine in Action in The War  of the Worlds [1].
“An almost noiseless and blinding flash of light … this invisible, inevitable sword of heat” : When H. G. Wells first wrote these words more than 100 years ago in his classic...
Synthetic Aperture Sonar Section Starter
Over the last 60 years, sea mines (such as those pictured in Figure 1) have reportedly been responsible for damaging or sinking four times more U.S. Navy ships than any other...