Direct proof of use
The 9K52 Luna-M appears in the 1990 Gulf War through Iraqi use of Soviet-made FROG short-range artillery rockets. Middle East Watch, in its Human Rights Watch-published report on civilian casualties during the air campaign, states that Iraq used Soviet-made FROG missiles during the Gulf War and notes that Iraqi military communiques often reported their use against military targets.
The same report gives a dated incident from the Saudi Press Agency: on 21 February 1991, Iraq fired two FROGs, one of which landed near Senegalese coalition troops and wounded eight soldiers, two seriously. The source does not identify a civilian target for that FROG event.
Sources: Needless Deaths in the Gulf War
Timeline
The available direct-use source supports a specific 21 February 1991 firing event during Operation Desert Storm, before the coalition ground offensive opened on 24 February. It does not provide a complete list of Iraqi FROG launches, launch sites, units, or intended targets.
Postwar public-source inventory reporting helps explain the system's presence in Iraqi service. A Center for Nonproliferation Studies Iraq profile archived by GulfLINK listed Iraqi ground delivery systems as including more than 500 FROG-7 artillery rockets and 12 to 15 launchers, with 70 km range and a 450 kg payload.
Sources: Needless Deaths in the Gulf War, CNS Iraq WMD Profile
Narrative
The supported Gulf War role is Iraqi short-range surface-to-surface rocket fire. The FROG/Luna-M was distinct from Iraq's longer-range Scud-derived al-Husayn missile campaign: Middle East Watch describes the FROG as a short-range, solid-fuel tactical missile and places the maximum range at about 60 to 70 km.
For this conflict, the cited evidence supports Iraqi government and security forces as the operating side and supports use against military targets, including the 21 February FROG event near Senegalese troops. It does not establish a comprehensive launch count, the Iraqi unit involved, or a named FROG variant for the reported strike.
Sources: Needless Deaths in the Gulf War