Direct proof of use
The 9K52 Luna-M appears in the 2011 Syrian Civil War record under its NATO FROG-7 name. In April 2013, The Washington Institute reported that the Syrian regime had employed FROG-7 artillery rockets during its surface-to-surface missile campaign, alongside Scud, Fateh A-110/M600, and SS-21 systems.
The same analysis described FROG-7 as a 70 km artillery rocket with an approximately 500 kg payload and grouped Soviet-style Scuds and FROGs as inaccurate systems suited to large targets such as military bases or urban areas.
Sources: The Syrian Regime's Use of Surface-to-Surface Missiles
2013 reporting
The documented FROG-7 use sits inside a wider 2012-2013 escalation in Syrian government missile fire. The Washington Institute said opposition sources counted more than 200 surface-to-surface missiles fired since December 2012, mostly Scuds, and described a regular firing pattern in rebel-held areas.
Human Rights Watch separately investigated four apparent ballistic-missile strikes in Aleppo city and Aleppo governorate during the week of February 17, 2013. That report attributed those strikes to Syrian government forces but did not identify the missile type as FROG-7, so it is used here only for campaign context.
Sources: The Syrian Regime's Use of Surface-to-Surface Missiles, HRW Syria Missile Attacks February 2013
Operator and role
Open-source humanitarian and media reporting in September 2013 also placed the Luna-M/FROG-7 among major explosive weapons in use in Syria. AOAV selected FROG-7 as an example of the large Scud-like rockets brought into the conflict, and Business Insider, summarizing AOAV research, reported that larger launcher systems including Luna-M/FROG-7 were exclusive to forces loyal to Bashar al-Assad.
The record therefore supports Syrian government and allied use in a long-range strike role, with available sources describing employment as part of a broader surface-to-surface missile campaign rather than providing a complete incident-by-incident FROG-7 launch list.
Sources: AOAV Syria Dirty Dozen, Business Insider Syria Conventional Weapons, The Syrian Regime's Use of Surface-to-Surface Missiles