Your Commands

Drag an INF from Braxx to B1,
then hold the SHIFT key and click the INF two more times,
then hold the SHIFT key and click on the SRNUKE.

Drag an INF from Braxx to B6,
then hold the SHIFT key and click the INF again.

Your commands should look like:

M: INF*3 + BLACK/SRNUKE @ BRAXX -> B1
M: INF*2 @ BRAXX -> B6

Neutral items such as a SRNUKE cannot move by themselves,
except for Transports (TRANS).

Move on to Exercise #7