Mechanical Testing of Tomahawk Cruise Missiles

The Navy continues to improve the Tomahawkfins, and air inlet unfold and a turbofan engine
cruise missiles to meet the war fighters' needstakes over for the cruise portion of the flight.
for a more flexible and "tactical" precision strikeOnce its job is finished, the booster falls away.
weapon. As technologies are developed to provideThe missile is capable of flying 500 to 1,000 miles
new operational capabilities and/or to reduceto deliver a 1,000-pound high-explosive bomb to a
costs, mechanical testing is often performed totarget. When the bomb explodes, the $500,000
verify mechanical properties beforeto $1,000,000 cruise missile is destroyed. Although
implementation.very costly, they are the weapon of choice for a
Tomahawk cruise missiles are designed to fly atvariety of quick-strike operations, both because
extremely low altitudes at high subsonic speeds.of their accuracy and their effectiveness in
They are launched from destroyers, submarinesevading detection by the enemy.
or aircraft, and can hit a target with incredibleWhen a new case and closure for the motor that
accuracy. The missiles were successfully used inlaunches the Tomahawk was in development,
several conflicts, beginning with Operation Desertmechanical testing was conducted on the parts
Storm in 1991.after heat treatment to ensure that all physical
A cruise missile is basically a 20-foot by 21-inch,properties were achieved in the process. The
pilotless airplane with an 8.5-foot wingspan. Attesting laboratory performed tensile testing on
launch, these missiles include a 550-poundmechanical test specimens machined from the
solid-propellant rocket motor. This solid rocketmotor casings and closures.
booster accelerates the missile until the wings, tail