AGM-158B JASSM-ER vs Kh-55
The AGM-158B JASSM-ER and the Kh-55 are both Cruise missiles. The Kh-55 has a range of 2,500 km — 2.5x the AGM-158B JASSM-ER's 1,000 km. The AGM-158B JASSM-ER reaches 1,050 km/h vs 750 km/h for the Kh-55. The AGM-158B JASSM-ER carries a 450 kg warhead vs 410 kg for the Kh-55. Launch weight is 1,200 kg for the AGM-158B JASSM-ER vs 1,500 kg for the Kh-55. The AGM-158B JASSM-ER uses INS, IIR, GPS guidance, while the Kh-55 relies on Inertial, Doppler radar, terrain map updates. The AGM-158B JASSM-ER entered service 20 years before the Kh-55 (2003 vs 2023).
| American cruise missile, entered service in 2003, uses GPS and IIR for guidance. | |
| Origin | 🇺🇸 United States |
| Category | Cruise |
| Type | Air-launched cruise missile |
| Manufacturer | Lockheed Martin Missiles and Fire Control |
| Service year | 2003 |
| Number produced | 7,500 units |
| Estimated unit price | $1.7 million |
| Range | 1,000.0 km ◉ |
| Maximum speed | Mach 0.9 ◉ |
| Weight | 1,200 kg ◉ |
| Warhead | 450.0 kg ◉ |
| Length | 4.29 m ◉ |
| Diameter | 635 mm ◉ |
| Guidance | INS, IIR, GPS |
| Warhead type | WDU-42/B penetrator |
| Range | 2,500.0 km ◉ |
| Maximum speed | 750 km/h ◉ |
| Weight | 1,500 kg ◉ |
| Warhead | 410.0 kg ◉ |
| Length | 6.04 m ◉ |
| Diameter | 510 mm ◉ |
| Guidance | Inertial, Doppler radar, terrain map updates |
| Warhead type | Nuclear |
Performance Radar Chart
Frequently Asked Questions
Which has longer range, the AGM-158B JASSM-ER or Kh-55?
The Kh-55 has a longer range at 2,500 km compared to the AGM-158B JASSM-ER's 1,000 km.
Which is faster, the AGM-158B JASSM-ER or Kh-55?
The AGM-158B JASSM-ER is faster with a maximum speed of Mach 0.9 compared to the Kh-55's 750 km/h.
Which has a larger warhead, the AGM-158B JASSM-ER or Kh-55?
The AGM-158B JASSM-ER carries a larger warhead at 450 kg compared to the Kh-55's 410 kg.
Which is heavier, the AGM-158B JASSM-ER or Kh-55?
The Kh-55 is heavier at 1,500 kg compared to the AGM-158B JASSM-ER's 1,200 kg.
Which is longer, the AGM-158B JASSM-ER or Kh-55?
The Kh-55 is longer at 6.04 meters compared to the AGM-158B JASSM-ER's 4.29 meters.
What guidance systems do the AGM-158B JASSM-ER and Kh-55 use?
The AGM-158B JASSM-ER uses INS, IIR, GPS guidance while the Kh-55 uses Inertial, Doppler radar, terrain map updates guidance.
Which entered service first, the AGM-158B JASSM-ER or Kh-55?
The AGM-158B JASSM-ER entered service first in 2003, 20 years before the Kh-55 which entered service in 2023.