50, 000 The estimate for maintenance, $1, 294, 200, is divided as follows: Maintenance of bemb sights, bomb racks and ... modified Michelin bomb sights, these to be used to equip observation and bombardment squadrons of the Air Service.
|Title||:||Army Appropriation Bill, 1921|
|Author||:||United States. Congress. House. Committee on Military Affairs. Subcommittee No. 1, United States. Congress. Senate. Committee on Military Affairs|