Senior sibling clues

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Across
  1. 3. General Ethnicity (1)(2)
  2. 5. Gender? (1)(2)
  3. 6. Years of Experience (2)
Down
  1. 1. Super General Instrument Section (1)(2)
  2. 2. Favorite Guard Equipment (2)
  3. 4. Winter Seasons? (1)(2)
  4. 5. Years of Experience (1)