“It demonstrates a significant leap in Iran’s missile capabilities.”-Uzi Rubin, former director of Israel’s Ballistic Missile Defense Organization

Iran developed its Shahab-3 liquid fueled ballistic missile into newer, more accurate, solid fueled replacements called Sejil-1 and Sejil-2.

Sejil is the Farsi word for brimstone.  It has been spelled in several ways in English.

Fars News Sejil explainer:

Sejil-1: Single stage. Range approximately 2-thousand kilometers. Warhead explosive power equivalent to about 650 kilograms.

Launch video:

Sejil-2: Double stage, maximum speed Mach-13.

September 2025: U.S. Space Force confirms Iran’s ballistic missile program is formidable! Beware of System Delta-84!

1946, year one of UN Security Council: Iran-Soviet Problem was actually covert U.S. occupation plans for Iran?

Cold War to Near Peer Threats: Japan’s ‘lowrider’ Type 74, finally retired?

Saylor Creek: USMC & Idaho Air Guard invades, preps JTAC for ‘Near Peer’ fight! With China?