Question: Bruce C. McKenna was a researcher on the miniseries that premiered in the US on what date?

Context paragraphs:
Bruce C. Kone: Bruce C. Kone (born January 29, 1958) is an American professor, nephrologist, molecular biologist, and United States Masters Swimming (USMS) national record holder, eighteen-time USMS national champion, and five-time FINA Masters world's top-ranked age group swimmer.  He is currently a tenured professor of medicine at the University of Texas Health Science Center at Houston.

USNS Bruce C. Heezen (T-AGS-64): USNS "Bruce C. Heezen" (T-AGS 64) is a "Pathfinder" class oceanographic survey ship.  It is the fifth ship in the class.  She is named after Bruce C. Heezen, who was the leader of the team from Columbia University that discovered the Mid-Atlantic Ridge during the 1950s.

Bruce Thompson (California politician): Bruce C. Thompson (born 1953) is a Republican politician from California.  He served in the California State Assembly, representing the 66th Assembly district from 1994 until he was termed out in 2000.

Bruce Lennon: Bruce C. Lennon (born 1 December 1970) is a former Australian rules footballer who played with Richmond in the Australian Football League (AFL).

The Pacific (miniseries): The Pacific is a 2010 American television series produced by HBO, Playtone and DreamWorks that premiered in the United States on March 14, 2010.

Lynn Wardle: Lynn D. Wardle is Bruce C. Hafen Professor of Law at the J. Reuben Clark Law School of Brigham Young University (BYU).  He specializes in family law, constitutional law, and bioethics.

4957 Brucemurray: 4957 Brucemurray, provisional designation 1990 XJ, is a stony asteroid, classified as near-Earth object of the Amor group and as Mars-crosser, approximately 3 kilometers in diameter.  It was discovered by American astronomer Eleanor Helin at the Palomar Observatory in California on 15 December 1990.  The asteroid was named after American planetary scientist Bruce C. Murray.

Bruce C. McKenna: Bruce C. McKenna (born March 14, 1962 at Englewood Hospital) is an American writer for television and film.  He was the co-executive producer, creator, principal writer and researcher on the 2010 HBO 10 part mini-series, "The Pacific", which was co-produced by Steven Spielberg and Tom Hanks.  "The Pacific" received eight Emmy Awards, including one for Outstanding Miniseries, at the 62nd annual Emmy Award ceremony held on August 29, 2010.  "The Pacific" had been nominated for 24 Emmy Awards, including Mckenna's nomination for "Outstanding Writing for a Miniseries, Movie or Dramatic Special" for his writing (with co-writer Robert Schenkkan) of the episode "The Pacific" - "Part Ten."

Virtual newscaster: A virtual newscaster, or animated anchor, is a computer-generated character created for the purpose of reading forth news from a website.  While Ananova is often credited to be the first virtual newscaster on the web, it went off-line in 2004.  Delta Seven, created by Bruce C. Pippin, uses Microsoft Agent technology to deliver real-time changes in news, weather, sports and stock market quotes in less than seven minutes.

Bruce C. Lubeck: Judge Bruce C. Lubeck was born in 1945.  He grew up in Salt Lake City and has lived in the state of Utah his entire life.  He attended Highland High School in Salt Lake City where he was an all-around athlete.  He played basketball, football, and ran track.  After he graduated high school, he attended the University of Utah where he majored in psychology.  He earned his law degree in 1971 from the University Of Utah College Of Law.

Supporting paragraphs: Bruce C. McKenna The Pacific (miniseries)
Answer: March 14, 2010