Kakashi said nothing in response to the radio's message, but he immediately agreed with Sasuke's previous use of the phrase less coherently.

He was glad to find that his movement wasn't impeded much, not when it came to stealth, at least, and he automatically minimized his shifting and the noise from it. Continuing to follow, he noted Sasuke's method of movement.

"Tell me if you want to switch," he said shortly. Doing so would ultimately mean having to sacrifice some of his silence for Sasuke's sake, but if it couldn't be helped, it couldn't be helped.