The I-class frigate, also known as the Istanbul-class, is a modern multipurpose naval vessel developed by Turkey as part of the MILGEM (National Ship) project. These frigates are designed to perform a wide range of missions, including surface warfare, anti-submarine warfare, and air defense.Specifications:Displacement: Approximately 3,000 tonsLength: 113.2 metersBeam: 14.4 metersPropulsion: Combined Diesel and Gas (CODAG) system, providing speeds up to 29 knotsRange: 5,700 nautical miles at a cruising speed of 15 knotsComplement: Approximately 123 crew membersArmament:Main Gun: One 76 mm OTO Melara Super Rapid gunMissiles: 16-cell Vertical Launch System (VLS) capable of firing surface-to-air missiles, anti-ship missiles like the ATMACA, and other guided munitions.Torpedoes: Two triple 324 mm torpedo launchersCIWS: Phalanx or similar close-in weapon system for defense against incoming missiles and aircraftHelicopter: Hangar and flight deck for one medium-sized helicopter, such as the S-70B SeahawkSensors and Systems:Radar: SMART-S Mk2 3D air/surface search radarSonar: Hull-mounted sonar for anti-submarine warfareCombat Management System: Advanced indigenous system integrated with sensors and weapons for situational awareness and engagement.The I-class frigates are equipped with advanced electronic warfare systems, including decoys and jamming capabilities, making them highly effective in both offensive and defensive operations. Their design emphasizes stealth features, such as a reduced radar cross-section and noise signature, enhancing survivability in modern naval conflicts.