Determine if the sentence is true based on the text below:
The 11th (Craigavon) Battalion, Ulster Defence Regiment was formed from 3 soldiers from each of the of the 2nd Battalion Ulster Defence Regiment (2 UDR) and the 3rd Battalion Ulster Defence Regiment in 1972.

The 11th (Craigavon) Battalion, Ulster Defence Regiment was formed from companies of the 2nd Battalion Ulster Defence Regiment (2 UDR) and the 3rd Battalion Ulster Defence Regiment in 1972. In 1991 under the reductions planned in Options for Change by the British Army, it again amalgamated with 2 UDR to form the 2nd/11th Battalion Ulster Defence Regiment.
It's impossible to say