Cryptic crossword No 3,101

Across

1. Report from retreating sailor charged with four defeats essentially (9)
2. Soldiers, facing terms of engagement still otherwise undecided, are given new homes (9)
3. Uncrowned child heralded by the Spanish aristocracy (5)
4. Russian ship harbouring apples (7)
5. Attack river dividing peacekeepers (3,4)
6. See 21a
7. Part of investment I theoretically tax (5)
8. Serene ground drilled by spirit makers (9)
9. Impression of full moon giving way to morning in railway station? (5)
10. On the lookout, van bore bananas covering up ecstasy (9)
11. Inhale from tin provided by fellow (5)
12. In period shortened by storm, education is taught to go outside (5-7)
13. Displays trendy tart on the counter (9)
14. Evidence backing docile countess at heart (9)
15. Friendly with college ladies gathering (5,2)
16. Arsenic produces thing of value (5)

Down

1. Institution's retired art detective working after computers keeled over (9)
2. Key element of regret nearly overturned (5)
3. Banish actors I indiscriminately cut (9)
4. Put things back as they were suggested by religious teaching (5)
5. Material caught near naked blond (5)
6. Crux of remarks about North American theatre (5)
7. Fake cafe chain given purpose (7)
8. Finished opposite to this clue? (5)
9. Urges strangely entertaining kiss with husband prior to alternative! (7)
10. Vote for Rhode Island metropolis lacking in power (5)
11. Rebellious gladiator fights over a cut furiously (9)
12. Intensive grief treated with pint (9)
13. Humiliate royal during record rewrite (9)
14. Supports you?! (7)
15. Emptied chests packed with fabric drawers (7)
16. Learner thrown out of big lessons unfortunately for fixating (9)