Which of the following will produce the lowest drag?

A)
Conformal
B)
Internal carriage
C)
External always
D)
Rail launch system always

Correct Answer :   Internal carriage


Explanation : External weapon carriage system is known to produce the highest drag. Conformal system reduces drag at some extent. Drag produced by semi submerged falls between conformal and internal. An internal weapon carriage system will provide least drag among all mentioned options.