Among the Air Force heroes, who are ferrying hundreds of people to safety in Uttarakhand, are two couples. The husbands are operating the large Mi-17 choppers, and the wives pilot 'Cheetahs'. Squadron Leaders SK Pradhan and Khushboo Gupta have been married for four years. They begin their day at the helipad in Gauchar, the town that has become the hub of rescue and relief operations.