Answer:
C. 3,500
Explanation:
Short-range ballistic missiles, traveling less than 1,000 kilometers (approximately 620 miles)
Medium-range ballistic missiles, traveling between 1,000–3,000 kilometers (approximately 620-1,860 miles)
Intermediate-range ballistic missiles, traveling between 3,000–5,500 kilometers (approximately 1,860-3,410 miles)
Intercontinental ballistic missiles (ICBMs), traveling more than 5,500 kilometers.