The De Grasse is a French Tourville Class destroyer of 4580 tons displacement, launched in 1974. She is manned by a crew of 301 including 21 officers. Two Rateau geared steam turbines provide a top speed of 32 knots and a range of 8000 km at 18 knots. Armaments consist of six Aerospatiale Exocet MM38 anti-ship missiles; a Thomson-CSF Crotale Navale EDIR octuple anti-aircraft missile launcher; a Latecoere Malafonacoustic homing torpedo missile launcher; two DCN 100 mm/55 Mod 68 CADAMautomatic dual-purpose guns; two Oerlikon 20 mm guns; two torpedo launchers taking the ECAN L5 anti-submarine torpedo; and two WG 13 Lynx anti-submarine warfare helicopters. Research De Grasse