GCASO: General Catalog of Artificial Space Objects

Jonathan C. McDowell

Launch Sites

Rocket Launch Ships: French Missile Submarines

SNLE S614 Le Tonnant


Marine nationale


Launched Sep 1977, in service April 1980 with 16 M20 missiles. Le Tonnant was refurbished Feb 1985- Apr 1987 to carry the M4.


Rockets used: MSBS M20,MSBS M4



Updated: 2021 Sep 24 01:17:08

Launches: S614
DateRocketFlightMissionPlatCodePlatformSiteLPAscSiteAscLPPosApogee
1980?MSBS M20--S614SNLE S614 Le TonnantCEL--- 1.2W 44.5N (+/- 0.0) 600.0
1987 Sep 15MSBS M4Operational test-S614SNLE S614 Le TonnantBRET--- 4.5W 47.5N (+/- 0.7) 800.0