Unable to match India's massive military expenditures, Pakistan has taken an asymmetric approach to compensate for its comparative weakness: building up its nuclear arsenal. In fact, Islamabad has already begun to design and develop tactical nuclear weapons that could someday be deployed against Indian troops on the battlefield. Now, Pakistan is searching for the second-strike capability that the Babur-3 might provide. With a reported range of 450 kilometers (280 miles), the newest cruise missile could reach most of India's major cities, though much of the country's interior — including the capital of New Delhi — would still be out of range. Offsetting India's Gains Pakistan has its reasons for pursuing these capabilities. For one, India is ramping up its investment in anti-ballistic missile defense systems in response to recent advances in the field by Pakistan and China.