Historical clue formulations

• Costco competitor, informally — 2026-08-14
• Costco rival, familiarly — 2022-01-01
• Costco competitor, informally — 2020-02-02
• ___ Club — 2019-05-19
• Costco competitor, informally — 2019-03-02
• ___ Club — 2017-07-25
• BJ's competitor, informally — 2016-09-30
• ___ Club — 2014-10-17
• Some defensive weapons, in brief — 2014-04-04
• ___ Club — 2013-07-21
• ___ Club — 2012-10-03
• ___ Club (Costco competitor) — 2012-04-03
• Costco competitor, casually — 2011-05-21
• ___ Club (discount chain) — 2009-12-07
• Club for bulking up? — 2009-08-08
• ___ Club — 2009-06-28
• ___ Club (discount store) — 2008-12-01
• ___ Club (retail chain) — 2008-01-16
• Some mil. defenses — 2007-05-31
• ___ Club — 2007-04-27
• ___ Club — 2003-10-24
• ___ Club — 2003-07-05
• Part of a military defense, for short — 2002-10-06
• Weapons in shootdowns, for short — 2002-01-14
• Dangers to military planes — 1999-06-05
• Parts of a military defense — 1999-01-03
• Menaces for warplanes — 1998-11-03
• Hawk and Patriot, for short — 1998-10-30
• Donaldson and others — 1998-07-21
• ___ Club (retail chain) — 1997-03-05
• Actor Neill et al. — 1997-01-25
• Levene and Levenson — 1996-09-22
• Defensive weapons, for short — 1996-01-06
• Nuclear force elements — 1995-11-12
• Texas pioneer Houston et al. — 1994-12-19
• Snead and Spade — 1994-06-28