Across
Sailor prodded by Rear Admiral waving flag in battle (9)
The sound of humming bird's call in verse form (5)
The writer joins Jessica in 7 for a medley (7)
Long-distance travellers, parsecs away (7)
One can't fly through the multiverse (3)
African state without capital goes into negative profit sometimes (3,3,5)
Finally upgraded craft association (5)
Ready for trip to Transylvania and even parts of Algeria (3)
Add excitement to long films having switched endings (5)
Garden fly is flying around plant (5,6)
Desert area, say, without river (3)
Former PM caught knocking prince out (7)
What measures I encountered when diving into a foreign sea (7)
A husband breaks vow in church state (5)
Byzantine church feature with two heads (5,4)
Down
Face complaint about major road block (6)
One religious teacher keeled over after eating egg and cheese (8)
Batteries available with promotion in Riviera resort (10)
Stare at search engine when out of work (4)
Mutant regent's nip is showing (10)
Aged hero oddly doing headstand to see the moon (4)
Naughty Mexican casts adults-only flicks (6)
Subtlety is introduced? That's a pest (8)
Anglo-Irish Duke or Welsh Duke? (10)
Training of son matters for 11 (10)
Girl at function in charge of lots of stars (8)
Formation of concepts in countryside at Iona (8)
Dancer strangled debt collector with abandon (6)
See 26 Down
24d
(and 24 Down) It's said the composer has a hospital trolley – this composer (4,6)
A journey almost entirely without water (4)
Type letters or click words in the clue