OVERVIEW: The MW‑1 Anti‑Runway Dispenser is a German air‑launched cluster munition system introduced in 1988 to incapacitate runways and impose area denial.

DETAILS: MW‑1 stands for Mehrzweckwaffe 1 (“multipurpose weapon 1”) and is a fixed external dispenser used primarily by Luftwaffe Tornado IDS aircraft. It features 112 launch tubes configurable with different submunition mixes. In its anti‑runway configuration, it contains 100 STABO runway penetrators shaped charges that form deep craters under reinforced surfaces and 336 area‑denial mines (MIFF, MUSA, MUSPA variants) that parachute down and self‑right before arming. The layered design allows initial runway cratering followed by minefield deployment to delay repairs.

FUNCTION: Mounted under the aircraft wing or fuselage, the dispenser opens mid‑flight, ejecting penetrators first to create runway craters. Subsequently, mines deploy extractions and parachutes before self‑arming to deny vehicle and personnel access, complicating runway clearance and repair.

NOTE:
IOC: 1988
Operators: Germany (Luftwaffe)
Platforms: Panavia Tornado IDS; also cleared for F‑4 Phantom II and F‑104 Starfighter
Conflict used in: None withdrawn after 2009 when Germany signed the Cluster Munitions Convention

SOURCE: Wikipedia: https://en.wikipedia.org/wiki/MW-1 ; CIA FOIA: https://www.cia.gov/readingroom/document/cia-rdp90t00155r000500030026-8