Across:
1 Marry off army officer (“marry” off “army officer” = office = OFFICE) to one of those in a position of authority (OFFICE),
4 It’s the epitome of elitism (SNOBBERY) finishing Pilgrimages (finishing ‘pilgrimages’ = S-) with Byron (Bryon = -NOB-RY) travelling (= anagram indicator) around Belgium (-BE-) (SNOBBERY),
9 They connect people electronically (EMAILS) travelling (= anagram indicator) miles (miles = EM-ILS) around America (-A-) (EMAILS),
10 Check out Phoenix and Aquila (check out Phoenix and Aquila constellations = STARGAZE) to form a view of the celebrities in Hollywood (STARGAZE),
12 Sounds like something Solomon would threaten to do to the kid (Solomon threatened to CUT IN HALF the baby) to create division? (CUT IN HALF),
13 Tramp (TREAD) with the characters in theatre adaptation (the characters in ‘theatre adaptation = TREAD),
14 Tip off (MARK ONE’S CARD) individuals (ONE’S) following (= positional indicator) target (MARK) in the pack (CARD) (MARK ONE’S CARD),
18 Bizarre (‘bizarre’ = ‘bazaar’ = MARKET) speech (= homophone indicator) pressurizes (FORCES) (MARKET FORCES) those influencing the dealers (MARKET FORCES),
21 Getting on (AGING) with furious type (raging) heading off (r) (‘raging’ without ‘r’ = AGING),
22 Very similar (LOOKALIKE) search for (LOOK-) something positive on Facebook (‘a like’ = -ALIKE) (LOOKALIKE),
24 Produced (= anagram indicator) rap video (rap video = OVERPAID) to give them more than their due (OVERPAID),
25 One is up to one’s neck (CRAVAT) sorting (= anagram indicator) car (car = CRA-) tax (-VAT) (CRAVAT),
26 Make scene (stage scene = ST-AGE) over old (-O-) father (-PP-) (STOPPAGE) downing tools (STOPPAGE),
27 Turns up (= reversal indicator), genetic makeup (DNA = -AND-) found in tree juice, for example (sap = P-AS) (PANDAS), produced by bears (PANDAS).
1 Master (OVERCOME) is speechless (OVERCOME),
2 Priest (FR-) and curate (curate = -ACTURE) organised (= anagram indicator) (FRACTURE) schism (FRACTURE),
3 Criminal (CO-N) admits starting on landing (starting on ‘landing’ = -L-) officer (-O-) (COLON) – it’s the sort of thing you normally see half way through a sentence (COLON),
5 Announcement (NOTIFICATION) of theory (notion = NOT-ION) about film institute (Irish Film Institute = -IFI-) and American jazz fan (-CAT-) (NOTIFICATION),
6 It’s what one is left with if one loses their shirt (BARE TORSO) in pub (BAR-) taking ecstasy (-E) with sculptured figure (TORSO) (BARE TORSO),
7 Finish (ENAMEL) Le Mans (Le Mans) getting clipped (s) (‘Le Mans’ = without ‘s’ = leman) by English leader (‘English’ leader = E-) going the wrong way (= reversal indicator) (leman = -NAMEL) (ENAMEL),
8 Tediously misses out (‘tediously’ misses ‘out’ = edisly = YIELDS) and throws in the towel (YIELDS),
11 Clean up (MAKE A KILLING) type of car (MAKE) for American (A) in Kildare (KILL-) half into (half ‘into’ = IN-) golf (-G) (MAKE A KILLING),
15 Seed (ORANGE PIP) of Unionist order (ORANGE order) in Great Expectations (PIP in Great Expectations) (ORANGE PIP),
16 Engineered (ACHIEVED) a (A-) new (= anagram indicator) device (device = -C-IEVED around hotel (-H-) (ACHIEVED),
17 A (A-) few letters of distress (-S-OS) about the greatest footballer (-BEST-) (ASBESTOS) with a mineral that’s not very fiery (ASBESTOS is a fire-resistant mineral),
19 Legendary (FAMOUS) couple of leaders of fascist movement usurped? (couple of leaders of ‘fascist movement usurped’ = FAMOUS),
20 Patron from power station (‘patron’ from ‘power station’ = westio = WISE TO) is on the ball (WISE TO),
23 Loses the head (p) on the drink (‘port’ without ‘p’ = -ORT-), goes into Alcoholics Anonymous (A-A) (AORTA) – the cardiologist sees this often (AORTA).