It was after the war stationed in Egypt and Palestine and tasked with air-sea rescue and was also active in Operation Sunburn, looking for illegal immigrants.

621 Squadron RAF was formed at Port Reitz, Kenya, on 12 September 1943[3] as a general reconnaissance unit equipped with 16 Wellington XIIIs, with a role of carrying out maritime reconnaissance and anti-submarine duties over the western Indian Ocean and the coasts of East Africa.

[4][5] In October 1943, the squadron moved to Mogadishu, Somalia, and in November, supplemented its normal duties by being tasked to look for four thousand stolen camels on behalf of the army.

In November the squadron converted to Warwicks and started in Operation Sunburn, looking for illegal immigrants into Palestine.

Shortly after it had completed that conversion the squadron was disbanded at RAF Ein Shemer by being re-numbered to No.