0 th ▁Air ▁Base ▁Group , ▁ 2 5 ▁June ▁ 1 9 5 1 ▁– ▁ 1 ▁October ▁ 1 9 9 4 ▁▁ 9 5 th ▁Air ▁Base ▁Wing , ▁ 1 ▁October ▁ 1 9 9 4 ▁– ▁ 1 3 ▁July ▁ 2 0 1 2 ▁▁ 6 5 1 0 th ▁Test ▁Wing , ▁ 1 ▁March ▁ 1 9 7 8 ▁ ▁Cons olid ated ▁with ▁ 4 1 2 th ▁Test ▁Wing , ▁ 2 ▁October ▁ 1 9 9 2 – Pres ent ▁ ▁Geography ▁ ▁The ▁largest ▁features ▁of ▁the ▁ ▁that ▁make ▁up ▁Edwards ▁A FB ▁are ▁the ▁Rog ers ▁Lake ▁and ▁Ros am ond ▁Lake ▁dry ▁la kes . ▁These ▁have ▁served ▁as ▁emer gency ▁and ▁scheduled ▁landing ▁sites ▁for ▁many ▁a eros pace ▁projects ▁including ▁the ▁Bell ▁X - 1 , ▁Lock he ed ▁U - 2 , ▁Lock he ed ▁SR - 7 1 ▁Black bird , ▁and ▁the ▁Space ▁Sh utt le . ▁The ▁lake bed s ▁have ▁black ▁lines ▁painted ▁on ▁them ▁to ▁mark ▁seven ▁official ▁" run ways ". ▁Also ▁painted ▁on ▁the ▁dry ▁lake ▁b eds ▁near ▁D ry den ▁is ▁the ▁world ' s ▁largest ▁comp ass ▁rose : ▁ ▁radius , ▁ ▁in ▁diameter . ▁The ▁Edwards ▁A FB ▁comp ass ▁rose ' s ▁magnetic ▁decl ination ▁to ▁true ▁north ▁is ▁measured ▁by ▁Google ▁Earth ' s ▁distance / direction ▁measurement ▁tool ▁as ▁incl ined ▁to ▁magnetic ▁north ▁with ▁a ▁ 1 5 .