Tactical Kit - Close Combat Specialist

The is a Tactical Kit that provides abilities to augment melee damage during ground combat. As of August 23, 2012, melee builds have become more viable, both in terms of buffed damage to melee weapons and attacks, as well as an increased bonus shield penetration (from 50% to 80%)

Source: http://sto-forum.perfectworld.com/showthread.php?t=362941&highlight=melee+combat

Vendors
Ensign Lessa - Earth Spacedock
 * – 1,523
 * – 3,046
 * – 6,077
 * – 10,113

Lieutenant Marrien - Starbase 39
 * – 1,523
 * – 3,046
 * – 6,077
 * – 10,113

Lieutenant Tal Nala - Deep Space K-7
 * – 1,523
 * – 3,046
 * – 6,077
 * – 10,113

Kilta Vrann &amp; Kalti Vrann - Deep Space 9
 * – 1,523
 * – 3,046
 * – 6,077
 * – 10,113

Quex - Memory Alpha
 * – 2,284
 * – 4,569

Lieutenant Commander Arut - Earth Spacedock

Ensign Croghan - Deep Space K-7

Commander Xindok - Battle Group Omega

Lieutenant Selul - Battle Group Omega

Away Team Kits Computer Vendor (K7) - Deep Space K-7

Tok - Ganalda Space Station
 * – 1,523
 * – 3,046
 * – 6,077
 * – 10,113

B'Eora - First City
 * – 1,523
 * – 3,046
 * – 6,077
 * – 10,113

Technology Crafting Supplies Vendor - First City
 * – 2,284
 * – 4,569

Mayerteac - First City

Yekache - Ganalda Space Station

Commander K'tarl - First City

Mission Rewards
Mission: Patrol the Teneebia Sector

Mission: Ghost Ship

Mission: Cage of Fire