AGM-158 JASSM vs AGM-158B JASSM-ER
Overview
The AGM-158 JASSM and the AGM-158B JASSM-ER are both Cruise missiles.
The AGM-158B JASSM-ER has a range of 1,000 km — 2.7x the AGM-158 JASSM's 370 km. The AGM-158 JASSM reaches 1,050 km/h vs 1,050 km/h for the AGM-158B JASSM-ER. The AGM-158 JASSM carries a 450 kg warhead vs 450 kg for the AGM-158B JASSM-ER. Launch weight is 1,020 kg for the AGM-158 JASSM vs 1,200 kg for the AGM-158B JASSM-ER. The AGM-158 JASSM uses INS, IIR, GPS guidance, while the AGM-158B JASSM-ER relies on INS, IIR, GPS.
The AGM-158 JASSM has been produced in 7,500 units vs 7,500 for the AGM-158B JASSM-ER. Unit cost is $1.665M for the AGM-158 JASSM vs $1.665M for the AGM-158B JASSM-ER.
| American cruise missile, entered service in 2003, uses INS and GPS guidance. | |
| Origin | 🇺🇸 United States |
| Category | Cruise |
| Type | Air launched cruise missile |
| Manufacturer | Lockheed Martin |
| Service year | 2003 |
| Number produced | 7,500 units |
| Estimated unit price | $1.7 million |
| 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 | 370.0 km ◉ |
| Maximum speed | Mach 0.9 ◉ |
| Weight | 1,020 kg ◉ |
| Warhead | 450.0 kg ◉ |
| Length | 4.26 m ◉ |
| Diameter | 635 mm ◉ |
| Guidance | INS, IIR, GPS |
| Warhead type | High Explosive / Fragmentation |
| 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 |
Performance Radar Chart
Detailed Comparison
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Frequently Asked Questions
Which has longer range, the AGM-158 JASSM or AGM-158B JASSM-ER?
The AGM-158B JASSM-ER has a longer range at 1,000 km compared to the AGM-158 JASSM's 370 km.
Which is faster, the AGM-158 JASSM or AGM-158B JASSM-ER?
Both the AGM-158 JASSM and AGM-158B JASSM-ER have the same maximum speed of Mach 0.9.
Which has a larger warhead, the AGM-158 JASSM or AGM-158B JASSM-ER?
Both the AGM-158 JASSM and AGM-158B JASSM-ER carry the same warhead weight of 450 kg.
Which is heavier, the AGM-158 JASSM or AGM-158B JASSM-ER?
The AGM-158B JASSM-ER is heavier at 1,200 kg compared to the AGM-158 JASSM's 1,020 kg.
Which is longer, the AGM-158 JASSM or AGM-158B JASSM-ER?
The AGM-158B JASSM-ER is longer at 4.29 meters compared to the AGM-158 JASSM's 4.26 meters.
What guidance systems do the AGM-158 JASSM and AGM-158B JASSM-ER use?
The AGM-158 JASSM uses INS, IIR, GPS guidance while the AGM-158B JASSM-ER uses INS, IIR, GPS guidance.
Which entered service first, the AGM-158 JASSM or AGM-158B JASSM-ER?
Both the AGM-158 JASSM and AGM-158B JASSM-ER entered service in the same year: 2003.
Which has been built in greater numbers, the AGM-158 JASSM or AGM-158B JASSM-ER?
Both the AGM-158 JASSM and AGM-158B JASSM-ER have been produced in equal numbers with 7,500 units each.