Struggling with some clues.
.
86a. Sailors.(7) letters. ??t?n?s
91d. insignificant thing (6) letters. ??i?l?
90a Column support (8) letters. ?e?e????
Last onbe, 82d (Military exercises (6) letters. ?????s
All from one corner link-up, I really think, I have gone wrong somewhere.