Historical clue formulations

• ___ rifle — 2015-03-22
• Blitzkrieg, e.g. — 2012-09-16
• Blitzkrieg — 2010-02-19
• Offensive action — 2009-08-08
• Onslaught — 2009-02-01
• BATTERY'S PARTNER — 2006-05-10
• Jump — 2003-01-11
• Delta team work — 2003-01-10
• Military offensive — 2002-05-27
• Battery's partner — 1995-05-01
• It often comes with a battery — 1995-04-16
• Battery's partner — 1994-09-14