Good question. Winry opened up a closet door, pulling out some medical scrubs. "Here, wear these." She dug out a surgical mask and cap. "And these. You'll be harder to notice then. Take your PIN, calibrate it to return you here. If it dead ends, there's not much we can do about it right now anyway, so just come back. If you can get through, get the coordinates plugged into the PIN so we can get her back later, and find her brother, if no one else."
She grinned. "You forget, I've been keeping up with you Elric males for twenty years now."