The SS-25 is a three-stage missile that is slightly longer than the SS-20.

Officials said the 44-foot, three-stage missile hurled an instrumented dummy warhead to a floating target Friday afternoon.

Agni-VI will be a three-stage intercontinental ballistic missile, which is in the hardware development phase, after its design phase was completed.

The Dongfeng 5A is a single-warhead, three-stage, liquid-fueled missile with a range of 13,000+ km.

It tested the Taepo Dong I, a three-stage missile, in 1998.

The Trident I is a three-stage, solid-fuelled missile.

In design the XMGM-134A was a three-stage solid-fuelled missile.

Relations worsened again in August 1998 when North Korea launched a three-stage missile over Japan.

The 44-foot three-stage missile, carrying a dummy warhead, developed a problem in flight Thursday and was destroyed by a radio signal, the officials said.

Trident missiles were three-stage missiles that provided for increased range along with advances in inertial guidance systems.