All of the above.
A signal officer assigned to a divisional air defense battalion directs and
supervises the HHB communications section, advises the battalion commander on
all signal support matters, and prepares the signal estimate and signal annex.
(page 1-7, para 2b)
An air defense battalion assigned to a light division consists of an HHB, three
Stinger batteries, and an Improved Chaparral/Stinger battery. (page 1-2, para 1b)
None of the above.
The signal officer assigned to a divisional air defense battalion coordinates with
the division signal battalion S3 and the assistant division signal officer for access
into the MSE network. (page 1-7, para 2b(4))
The air defense battalion assigned to an airborne division consists of an HHB and
four composite towed Vulcan/Stinger batteries. (page 1-2, para 1d)