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Question

Complete the grid and find a two-word final answer.

Across

1. Ability to move first to northern aristocracy (8)
4. Animal to rip a short tail back (5)
5. Oral tradition about the origin of Indus river (5)
6. Heart of Azerbaijan; first khanate's head, then urban capital (4)
7. Exclude a note during overtime (4)
8. Turn captain's first military status (5)
9. Sea navigation's start in Laos retreat is dependent on time of year (8)

Down

2. Capable holding Arizona on fire (6)
3. Counselor in front of workable central triumvirate (6)

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_{This puzzle is part of Recycling old answers.}

Answer 1

GRID:

Thanks @Hexonimo for the hint! The two word answer is found by

Diagonal Top left to Bottom right is NATIONAL
Diagonal bottom left to top right is SECURITY

1. Ability to move first to northern aristocracy (8)

   NO + BILITY

2. Animal to rip a short tail back (5)

   TAPIR

3. Oral tradition about the origin of Indus river (5)

   LO(I)RE

4. Heart of Azerbaijan; first khanate's head, then urban capital (4)

   BA+ K +U

5. Exclude a note during overtime (4)

   O(MI)T

6. Turn captain's first military status (5)

   C + RANK

7. Sea navigation's start in Laos retreat is dependent on time of year (8)

   SEA +SO(N)AL (El-Guest beat me to it, but we solved it independently)

Down

2. Capable holding Arizona on fire (6)

   ABL(AZ)E

3. Counselor in front of workable central triumvirate (6)

   TROI+ KA - Star Trek, The Next Generation Counselor Deanna Troi

Answer 2

This one is to fill out @Chris Cudmore's remaining clue:

9. Sea navigation's start in Laos retreat is dependent on time of year (8)

   SEA + navigation's start (N) in Laos retreat (SO_AL) = dependent on time of year SEASONAL.

Found by @Hexomino: the two word answer could be

NATIONAL SECURITY, found by taking the diagonals of the grid.

when we look at the grid below:

@Chris: please feel free to use the final answer and crossword in your solution -- you deserve the checkmark here.