Need help on last few, I would appreciate any help that can be given:
23A Radio on air, right? (5) ??N?R ( Is this SONAR and if so, how?)
23D In all out war, deport upper class (3-6) ??P ?R?W??
39A Helping to save soldiers taking plunge across endless void (10)
??D?????V?
35D Men so awfully wise, keeping to the script (2,7) O? ??S?A?E
Thanks in advance
Thank you everyone, especially lie-in-king, you always come up trumps for me. Sorry late in coming back to you, had to go out. Thank you johnalex as well.