ORGANIZATION@1 -LRB- ORGANIZATION@2 ; , -RRB- -RRB- is a joint organization of LOCATION@1 and the LOCATION@2 that provides aerospace warning , air sovereignty , and defense for the two countries .

ORGANIZATION@1 -LRB- ORGANIZATION@2 -RRB- is a joint organization of LOCATION@1 and the LOCATION@2 that provides aerospace warning and defense for LOCATION@3 .
