Across:
8 Posed (SAT) for most of (y) those overseas (“navy” without “y” = NAV -) (SAT NAV) – it’s the talk of the town on TripAdvisor (SAT NAV),
9 Kitty (puss = S-S UP) goes back (= reversal indicator) around lake (-L-) with frozen water (-ICE-) (SLICES UP) in sections (SLICES UP),
10 Gives a helping hand (AIDS) to characters in air-raid shelters (characters in ‘air raid shelters’ = AIDS),
11 Finding (RESOLUTION) half The Reef (half the ‘reef’ = RE-) is the key (-SOLUTION) (RESOLUTION),
12 Clip (clip/cut) of two gossips (‘chat’ + ‘chat’ without ‘t’ = CHA-CHA) in Latin-American movement (CHA-CHA dance),
14 Work on The Wire (LISTEN IN) with snoop (LISTEN IN),
15 Family quarrels (domestics = DOMESTIC -S) over a Milan (a Milan = ANIMAL-) adaptation (= anagram indicator) (DOMESTIC ANIMALS) of A Thousand and One Dalmatians, for example (DOMESTIC ANIMALS),
18 Bet (BACK-) on tips for Cheltenham, Haydock and Tramore (tips for ‘Cheltenham, Haydock and Tramore’ = CHAT) (BACKCHAT) out of insolence (BACKCHAT),
20 Centurions get no rest (‘centurions’ get no ‘rest’ = cnuion = NUNCIO) on papal mission (NUNCIO),
22 It’s about (RE-) to get off the ground (-COMMENCE) (RECOMMENCE) or get down to business again (RECOMMENCE),
24 Hitting one’s stride going around (‘hitting one’s stride’ going around = HIDE) in leather (HIDE),
25 Wages (EARNINGS) for line managers doesn’t include meal (‘line managers’ doesn’t include ‘meal’ = ineangrs = EARNINGS),
26 Sovereign (SULTAN) and soldier (Lieutenant = -LT-) with a (-A-) place in the sun? (SU-N) (SULTAN).
Down:
1 Outlaw (BANISH) bar (BAN-) is (-IS-) near hotel (-H) (BANISH),
2 Lose rag in garden’s (lose ‘rag’ in ‘gardens’ = dens = ENDS) borders (ENDS),
3 Dull (OVERCAST) description of the head of the abbey? (description of the head of The Abbey = over cast = OVERCAST),
4 Contemplates (muses) losing the head (m) (“muses” without “m” = USES) with exercises (USES),
5 Passages (AISLES) mid-way (mid ‘way’ = A-) from West Indies, for example (-ISLES) (AISLES),
6 Don (WEA-R-) protects the (-THE-) worker (-MAN) (WEATHERMAN) from one of those predicting climate change perhaps (WEATHERMAN),
7 Teaches a lesson (TUTORIAL) to Rialto (Rialto = -TORIAL) boss (= anagram indicator) behind (= positional indicator) Trade Union (TU-) (TUTORIAL),
13 Make sure that’s not fake news (CHECK POINT) coming from station on the border (CHECKPOINT),
14 Some retrospective (= reversal indicator), melodramatic illustration (some ‘melodramatic illustration’ = ticil = LICIT) is admissible (LICIT),
16 Tests the Greek (ORAL EXAM), in a manner of speaking (ORAL), on paper (EXAM) (ORAL EXAM),
17 Nurture or nature? For starters (‘nurture or nature’ for starters = NON-), the feeling is (-SENSE) (NONSENSE) this is rubbish (NONSENSE),
19 Compassionate (HUMANE) old philosopher (David Hume = HUM-E) welcomes article (-AN-) (HUMANE),
21 Raises (= reversal indicator) donations (aid = -DIA-) in pub (IN-N) (INDIAN) dinner (INDIAN),
23 Is spying (NOSY) revolting? (= reversal indicator) Yes (-Y) son! (son = NOS-) (NOSY),
24 Men getting out of manhole (‘men’ getting out of ‘manhole’ = ahol = HALO) with divine head light (HALO).