One is a special tool to detect damage to the thermal-protective tile while in orbit - something the Columbia crew would have welcomed.
1	One	one	NUM	CD	NumForm=Word|NumType=Card	5	nsubj	5:nsubj	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	5:cop	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	5:det	_
4	special	special	ADJ	JJ	Degree=Pos	5	amod	5:amod	_
5	tool	tool	NOUN	NN	Number=Sing	0	root	0:root	_
6	to	to	PART	TO	_	7	mark	7:mark	_
7	detect	detect	VERB	VB	VerbForm=Inf	5	acl	5:acl:to	_
8	damage	damage	NOUN	NN	Number=Sing	7	obj	7:obj	_
9	to	to	ADP	IN	_	14	case	14:case	_
10	the	the	DET	DT	Definite=Def|PronType=Art	14	det	14:det	_
11	thermal	thermal	ADJ	JJ	Degree=Pos	13	amod	13:amod	SpaceAfter=No
12	-	-	PUNCT	HYPH	_	13	punct	13:punct	SpaceAfter=No
13	protective	protective	ADJ	JJ	Degree=Pos	14	amod	14:amod	_
14	tile	tile	NOUN	NN	Number=Sing	8	nmod	8:nmod:to	_
15	while	while	SCONJ	IN	_	17	mark	17:mark	_
16	in	in	ADP	IN	_	17	case	17:case	_
17	orbit	orbit	NOUN	NN	Number=Sing	7	advcl	7:advcl:while	_
18	-	-	PUNCT	,	_	5	punct	5:punct	_
19	something	something	PRON	NN	Number=Sing|PronType=Ind	5	appos	5:appos	_
20	the	the	DET	DT	Definite=Def|PronType=Art	22	det	22:det	_
21	Columbia	Columbia	PROPN	NNP	Number=Sing	22	compound	22:compound	_
22	crew	crew	NOUN	NN	Number=Sing	25	nsubj	25:nsubj	_
23	would	would	AUX	MD	VerbForm=Fin	25	aux	25:aux	_
24	have	have	AUX	VB	VerbForm=Inf	25	aux	25:aux	_
25	welcomed	welcome	VERB	VBN	Tense=Past|VerbForm=Part	19	acl:relcl	19:acl:relcl	SpaceAfter=No
26	.	.	PUNCT	.	_	5	punct	5:punct	_
