Israeli Navy's submarine and corvettes conduct drills in Red Sea.

According to a tweet published by the Israeli Defense Forces on June 2, 2022, Israeli Navy missile ships (Saar 5 and 4.5 Class Corvettes) and submarine (Dolphin-class INS Tekuma) flotillas returned from a complex and lengthy training drill in the Red Sea amid tensions with Iran.
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Dolphin-class submarine INS Tekumah (Picture source: Israeli Defense Forces)

Sa'ar 5 is a class of Israeli Navy corvettes. They were Israeli designed using lessons learned from the Sa'ar 4.5-class missile boats. Three Sa'ar 5 ships were built by Huntington Ingalls Industries (formerly Litton-Ingalls Shipbuilding Corporation of Pascagoula, Mississippi) for the Israeli Navy, based on Israeli designs.

They are equipped with sonar, 2 triple torpedoes, 2 quadruple missile launchers, electronic warfare capabilities and decoys, a Close-in weapon system, 2 autocannon, and a helipad and helicopter hangar.

About Dolphin-class submarine INS Tekumah

The Dolphin class is a diesel-electric submarine developed in Israel and constructed by Howaldtswerke-Deutsche Werft AG (HDW) in Kiel, Germany, for the Israeli Navy.

The submarines have a length of 57.3 m (188 ft), a beam of 6.8 m (22 ft), and a draught of 6.2 m (20 ft). She can reach a top speed of 20 knots (37 km/h; 23 mph).

Each submarine is fitted with 6 × 533 mm (21.0 in) torpedo tubes, and 4 × 650 mm (26 in) torpedo tubes. The very large 650 mm tubes can be used for laying mines, larger submarine-launched cruise missiles, or swimmer delivery vehicles, and with liners, the tubes could be used for standard torpedoes and submarine-launched missiles.