The chair is always selected from the majority party and the ranking member is the most senior member of the minority party. The majority party ensures it has a majority on every committee.
There are 2 bills referred to this subcommittee:
S.J.Res. 59: Authorization for Use of Military Force of 2018
Sponsor: Sen. Bob Corker [R-TN]
S. 823: Protecting Data at the Border Act
Sponsor: Sen. Ron Wyden [D-OR]