A WOP/AG in No.422 Squadron records in his logbook several types of operations, the nature of which is unclear. What might these be ?

Anti-Submarine Patrol - Sea Slug (1 July, 12 July and 15 July 1943)

Anti-Submarine Sweep - Moorings (31 July, 3 August, 12 August, 15 August, 7 October, 13 October, 25 October, 28 October 1943)

“Outmatch 41" (14 June 1944), “Outmatch 42" (16 June 1944), “Outmatch 42" again (20 June 1944) and “Outmatch 28" (26 June 1944).