The Long Range Land Attack Projectile (LRLAP) is a canceled[1] precision guided 155 mm (6.1 in) naval artillery shell for the U.S. Navy's Advanced Gun System (AGS).
LRLAP was developed and produced by Lockheed Martin Missiles and Fire Control, the prime contractor being BAE Systems.
In November 2016, the Navy announced it had decided to cancel procurement of the LRLAP.
This was due to rising costs resulting from the trimming of the Zumwalt-class destroyer fleet to just three ships, raising individual shell cost to $800,000-$1 million, about as much as the Tomahawk cruise missile.
[1][4] In cooperation with BAE Systems a version of LRLAP was designed to be used with the 127 mm 5"/54 caliber Mark 45 guns used on most Navy ships.